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1.
J Am Coll Radiol ; 21(6S): S126-S143, 2024 Jun.
Article in English | MEDLINE | ID: mdl-38823941

ABSTRACT

Early detection of breast cancer from regular screening substantially reduces breast cancer mortality and morbidity. Multiple different imaging modalities may be used to screen for breast cancer. Screening recommendations differ based on an individual's risk of developing breast cancer. Numerous factors contribute to breast cancer risk, which is frequently divided into three major categories: average, intermediate, and high risk. For patients assigned female at birth with native breast tissue, mammography and digital breast tomosynthesis are the recommended method for breast cancer screening in all risk categories. In addition to the recommendation of mammography and digital breast tomosynthesis in high-risk patients, screening with breast MRI is recommended. The American College of Radiology Appropriateness Criteria are evidence-based guidelines for specific clinical conditions that are reviewed annually by a multidisciplinary expert panel. The guideline development and revision process support the systematic analysis of the medical literature from peer reviewed journals. Established methodology principles such as Grading of Recommendations Assessment, Development, and Evaluation or GRADE are adapted to evaluate the evidence. The RAND/UCLA Appropriateness Method User Manual provides the methodology to determine the appropriateness of imaging and treatment procedures for specific clinical scenarios. In those instances where peer reviewed literature is lacking or equivocal, experts may be the primary evidentiary source available to formulate a recommendation.


Subject(s)
Breast Neoplasms , Early Detection of Cancer , Evidence-Based Medicine , Societies, Medical , Humans , Breast Neoplasms/diagnostic imaging , Female , Early Detection of Cancer/methods , United States , Mammography/standards , Mammography/methods , Risk Assessment , Mass Screening/methods
2.
JAMA Netw Open ; 7(6): e2415383, 2024 Jun 03.
Article in English | MEDLINE | ID: mdl-38848065

ABSTRACT

Importance: Lung cancer is the deadliest cancer in the US. Early-stage lung cancer detection with lung cancer screening (LCS) through low-dose computed tomography (LDCT) improves outcomes. Objective: To assess the association of a multifaceted clinical decision support intervention with rates of identification and completion of recommended LCS-related services. Design, Setting, and Participants: This nonrandomized controlled trial used an interrupted time series design, including 3 study periods from August 24, 2019, to April 27, 2022: baseline (12 months), period 1 (11 months), and period 2 (9 months). Outcome changes were reported as shifts in the outcome level at the beginning of each period and changes in monthly trend (ie, slope). The study was conducted at primary care and pulmonary clinics at a health care system headquartered in Salt Lake City, Utah, among patients aged 55 to 80 years who had smoked 30 pack-years or more and were current smokers or had quit smoking in the past 15 years. Data were analyzed from September 2023 through February 2024. Interventions: Interventions in period 1 included clinician-facing preventive care reminders, an electronic health record-integrated shared decision-making tool, and narrative LCS guidance provided in the LDCT ordering screen. Interventions in period 2 included the same clinician-facing interventions and patient-facing reminders for LCS discussion and LCS. Main Outcome and Measure: The primary outcome was LCS care gap closure, defined as the identification and completion of recommended care services. LCS care gap closure could be achieved through LDCT completion, other chest CT completion, or LCS shared decision-making. Results: The study included 1865 patients (median [IQR] age, 64 [60-70] years; 759 female [40.7%]). The clinician-facing intervention (period 1) was not associated with changes in level but was associated with an increase in slope of 2.6 percentage points (95% CI, 2.4-2.7 percentage points) per month in care gap closure through any means and 1.6 percentage points (95% CI, 1.4-1.8 percentage points) per month in closure through LDCT. In period 2, introduction of patient-facing reminders was associated with an immediate increase in care gap closure (2.3 percentage points; 95% CI, 1.0-3.6 percentage points) and closure through LDCT (2.4 percentage points; 95% CI, 0.9-3.9 percentage points) but was not associated with an increase in slope. The overall care gap closure rate was 175 of 1104 patients (15.9%) at the end of the baseline period vs 588 of 1255 patients (46.9%) at the end of period 2. Conclusions and Relevance: In this study, a multifaceted intervention was associated with an improvement in LCS care gap closure. Trial Registration: ClinicalTrials.gov Identifier: NCT04498052.


Subject(s)
Early Detection of Cancer , Electronic Health Records , Lung Neoplasms , Humans , Lung Neoplasms/diagnosis , Lung Neoplasms/diagnostic imaging , Early Detection of Cancer/methods , Early Detection of Cancer/statistics & numerical data , Female , Male , Aged , Middle Aged , Tomography, X-Ray Computed/statistics & numerical data , Aged, 80 and over , Decision Support Systems, Clinical , Utah , Interrupted Time Series Analysis
3.
Cancer Epidemiol Biomarkers Prev ; 33(6): 763-765, 2024 Jun 03.
Article in English | MEDLINE | ID: mdl-38826081

ABSTRACT

Cervical cancer can be eliminated, and the global community intends to achieve this goal in the next century. For this to successfully occur, concerted efforts to implement and scale-up available, evidence-based strategies including human papillomavirus vaccination, screening and treatment of precancerous lesions, and early detection and treatment for invasive cancers is paramount. While the World Health Organization has offered technical guidance and recommendations on implementation, several questions remain unanswered and require urgent high-quality research to inform policy and practice. We discuss the findings from the Cervical Cancer Screening and Treatment Algorithms pilot study in the context of the evidence synthesis conducted for the second edition of the World Health Organization guidelines for screening and treatment of cervical precancer lesions for cervical cancer prevention. Policymakers at the national level must consider the weight of evidence with country-level resources to make decisions on screening, triage, and treatment approaches. See related article by Sebitloane et al., p. 779.


Subject(s)
Algorithms , Early Detection of Cancer , Papillomavirus Infections , Uterine Cervical Neoplasms , Humans , Female , Uterine Cervical Neoplasms/diagnosis , Uterine Cervical Neoplasms/virology , Uterine Cervical Neoplasms/prevention & control , Papillomavirus Infections/diagnosis , Papillomavirus Infections/prevention & control , Early Detection of Cancer/methods , Papillomavirus Vaccines/therapeutic use , Papillomavirus Vaccines/administration & dosage , Papillomaviridae/isolation & purification , Pilot Projects
5.
Radiology ; 311(3): e232479, 2024 Jun.
Article in English | MEDLINE | ID: mdl-38832880

ABSTRACT

Background Retrospective studies have suggested that using artificial intelligence (AI) may decrease the workload of radiologists while preserving mammography screening performance. Purpose To compare workload and screening performance for two cohorts of women who underwent screening before and after AI system implementation. Materials and Methods This retrospective study included 50-69-year-old women who underwent biennial mammography screening in the Capital Region of Denmark. Before AI system implementation (October 1, 2020, to November 17, 2021), all screenings involved double reading. For screenings conducted after AI system implementation (November 18, 2021, to October 17, 2022), likely normal screenings (AI examination score ≤5 before May 3, 2022, or ≤7 on or after May 3, 2022) were single read by one of 19 senior full-time breast radiologists. The remaining screenings were read by two radiologists with AI-assisted decision support. Biopsy and surgical outcomes were retrieved between October 1, 2020, and April 15, 2023, ensuring at least 180 days of follow-up. Screening metrics were compared using the χ2 test. Reading workload reduction was measured as saved screening reads. Results In total, 60 751 and 58 246 women were screened before and after AI system implementation, respectively (median age, 58 years [IQR, 54-64 years] for both cohorts), with a median screening interval before AI of 845 days (IQR, 820-878 days) and with AI of 993 days (IQR, 968-1013 days; P < .001). After AI system implementation, the recall rate decreased by 20.5% (3.09% before AI [1875 of 60 751] vs 2.46% with AI [1430 of 58 246]; P < .001), the cancer detection rate increased (0.70% [423 of 60 751] vs 0.82% [480 of 58 246]; P = .01), the false-positive rate decreased (2.39% [1452 of 60 751] vs 1.63% [950 of 58 246]; P < .001), the positive predictive value increased (22.6% [423 of 1875] vs 33.6% [480 of 1430]; P < .001), the rate of small cancers (≤1 cm) increased (36.6% [127 of 347] vs 44.9% [164 of 365]; P = .02), the rate of node-negative cancers was unchanged (76.7% [253 of 330] vs 77.8% [273 of 351]; P = .73), and the rate of invasive cancers decreased (84.9% [359 of 423] vs 79.6% [382 of 480]; P = .04). The reading workload was reduced by 33.5% (38 977 of 116 492 reads). Conclusion In a population-based mammography screening program, using AI reduced the overall workload of breast radiologists while improving screening performance. Published under a CC BY 4.0 license. Supplemental material is available for this article. See also the editorial by Lee and Friedewald in this issue.


Subject(s)
Artificial Intelligence , Breast Neoplasms , Early Detection of Cancer , Mammography , Workload , Humans , Female , Mammography/methods , Breast Neoplasms/diagnostic imaging , Middle Aged , Retrospective Studies , Aged , Early Detection of Cancer/methods , Workload/statistics & numerical data , Denmark , Mass Screening/methods
7.
Sci Rep ; 14(1): 12697, 2024 06 03.
Article in English | MEDLINE | ID: mdl-38830890

ABSTRACT

Melanoma, the deadliest form of skin cancer, has seen a steady increase in incidence rates worldwide, posing a significant challenge to dermatologists. Early detection is crucial for improving patient survival rates. However, performing total body screening (TBS), i.e., identifying suspicious lesions or ugly ducklings (UDs) by visual inspection, can be challenging and often requires sound expertise in pigmented lesions. To assist users of varying expertise levels, an artificial intelligence (AI) decision support tool was developed. Our solution identifies and characterizes UDs from real-world wide-field patient images. It employs a state-of-the-art object detection algorithm to locate and isolate all skin lesions present in a patient's total body images. These lesions are then sorted based on their level of suspiciousness using a self-supervised AI approach, tailored to the specific context of the patient under examination. A clinical validation study was conducted to evaluate the tool's performance. The results demonstrated an average sensitivity of 95% for the top-10 AI-identified UDs on skin lesions selected by the majority of experts in pigmented skin lesions. The study also found that the tool increased dermatologists' confidence when formulating a diagnosis, and the average majority agreement with the top-10 AI-identified UDs reached 100% when assisted by our tool. With the development of this AI-based decision support tool, we aim to address the shortage of specialists, enable faster consultation times for patients, and demonstrate the impact and usability of AI-assisted screening. Future developments will include expanding the dataset to include histologically confirmed melanoma and validating the tool for additional body regions.


Subject(s)
Early Detection of Cancer , Melanoma , Skin Neoplasms , Supervised Machine Learning , Humans , Skin Neoplasms/diagnosis , Melanoma/diagnosis , Early Detection of Cancer/methods , Artificial Intelligence , Algorithms , Male , Female , Skin/pathology
8.
JAMA Netw Open ; 7(6): e2414582, 2024 Jun 03.
Article in English | MEDLINE | ID: mdl-38833252

ABSTRACT

Importance: Prostate-specific antigen (PSA) screening for prostate cancer is controversial but may be associated with benefit for certain high-risk groups. Objectives: To evaluate associations of county-level PSA screening prevalence with prostate cancer outcomes, as well as variation by sociodemographic and clinical factors. Design, Setting, and Participants: This cohort study used data from cancer registries based in 8 US states on Hispanic, non-Hispanic Black, and non-Hispanic White men aged 40 to 99 years who received a diagnosis of prostate cancer between January 1, 2000, and December 31, 2015. Participants were followed up until death or censored after 10 years or December 31, 2018, whichever end point came first. Data were analyzed between September 2023 and January 2024. Exposure: County-level PSA screening prevalence was estimated using the Behavior Risk Factor Surveillance System survey data from 2004, 2006, 2008, 2010, and 2012 and weighted by population characteristics. Main Outcomes and Measures: Multivariable logistic, Cox proportional hazards regression, and competing risks models were fit to estimate adjusted odds ratios (AOR) and adjusted hazard ratios (AHR) for associations of county-level PSA screening prevalence at diagnosis with advanced stage (regional or distant), as well as all-cause and prostate cancer-specific survival. Results: Of 814 987 men with prostate cancer, the mean (SD) age was 67.3 (9.8) years, 7.8% were Hispanic, 12.2% were non-Hispanic Black, and 80.0% were non-Hispanic White; 17.0% had advanced disease. There were 247 570 deaths over 5 716 703 person-years of follow-up. Men in the highest compared with lowest quintile of county-level PSA screening prevalence at diagnosis had lower odds of advanced vs localized stage (AOR, 0.86; 95% CI, 0.85-0.88), lower all-cause mortality (AHR, 0.86; 95% CI, 0.85-0.87), and lower prostate cancer-specific mortality (AHR, 0.83; 95% CI, 0.81-0.85). Inverse associations between PSA screening prevalence and advanced cancer were strongest among men of Hispanic ethnicity vs other ethnicities (AOR, 0.82; 95% CI, 0.78-0.87), older vs younger men (aged ≥70 years: AOR, 0.77; 95% CI, 0.75-0.79), and those in the Northeast vs other US Census regions (AOR, 0.81; 95% CI, 0.79-0.84). Inverse associations with all-cause mortality were strongest among men of Hispanic ethnicity vs other ethnicities (AHR, 0.82; 95% CI, 0.78-0.85), younger vs older men (AHR, 0.81; 95% CI, 0.77-0.85), those with advanced vs localized disease (AHR, 0.80; 95% CI, 0.78-0.82), and those in the West vs other US Census regions (AHR, 0.89; 95% CI, 0.87-0.90). Conclusions and Relevance: This population-based cohort study of men with prostate cancer suggests that higher county-level prevalence of PSA screening was associated with lower odds of advanced disease, all-cause mortality, and prostate cancer-specific mortality. Associations varied by age, race and ethnicity, and US Census region.


Subject(s)
Early Detection of Cancer , Prostate-Specific Antigen , Prostatic Neoplasms , Humans , Male , Prostatic Neoplasms/mortality , Prostatic Neoplasms/blood , Prostatic Neoplasms/epidemiology , Prostatic Neoplasms/diagnosis , Prostate-Specific Antigen/blood , Aged , Middle Aged , Early Detection of Cancer/statistics & numerical data , Early Detection of Cancer/methods , United States/epidemiology , Aged, 80 and over , Adult , Cohort Studies , Health Services Accessibility/statistics & numerical data , Hispanic or Latino/statistics & numerical data
9.
J Med Virol ; 96(6): e29688, 2024 Jun.
Article in English | MEDLINE | ID: mdl-38847316

ABSTRACT

To meet the screening goal of WHO's 90-70-90 strategy aimed at eliminating cervical cancer (CC) by 2030, clinical validation of human papillomavirus (HPV) assays is essential to provide accurate and valid results through fulfilling three criteria of the international validation guidelines (IVGs). Previously, the clinical accuracy of the AmpFire® HPV Screening 16/18/HR assay (AmpFire assay) was reported but reproducibility data are lacking. Here, we aim to evaluate the intra- and inter-laboratory reproducibility of the AmpFire assay. The reproducibility of the isothermal AmpFire assay was assessed using 556 cervical cell samples collected from women attending CC screening and biobanked in a Belgian HPV national reference center. This assay detects HPV16, HPV18, and 12 other high-risk HPV (hrHPV) types (31/33/35/39/45/51/52/56/58/59/66/68) in aggregate. Lower 95% confidence interval bound around the assay's reproducibility should exceed 87%, with κ ≥ 0.50. Additionally, a literature review of the assay's clinical performance was performed. The AmpFire assay showed an excellent intralaboratory (96.4%, 95% CI:94.5-97.8%, κ = 0.920) and interlaboratory (95.3%, 95% CI:93.2-96.9%, κ = 0.897) reproducibility. One study demonstrated noninferior sensitivity of a prototype AmpFire assay targeting 15 hrHPV types (including HPV53) to detect CIN2+. However, clinical specificity became similar to the comparator after removing HPV53 from analyses. The low-cost and easy-to-use AmpFire assay presents excellent reproducibility and-after removing HPV53 from the targeted types-fulfills also clinical accuracy requirements. Inclusion of HPV53, which is not recognized as carcinogenic, comprises clinical specificity of screening assays.


Subject(s)
Papillomavirus Infections , Uterine Cervical Neoplasms , Humans , Reproducibility of Results , Papillomavirus Infections/diagnosis , Papillomavirus Infections/virology , Female , Uterine Cervical Neoplasms/diagnosis , Uterine Cervical Neoplasms/virology , Papillomaviridae/isolation & purification , Belgium , Early Detection of Cancer/methods , Early Detection of Cancer/standards , Adult , Sensitivity and Specificity , Middle Aged , Molecular Diagnostic Techniques/standards , Molecular Diagnostic Techniques/methods , Cervix Uteri/virology
11.
Cancer Med ; 13(11): e7316, 2024 Jun.
Article in English | MEDLINE | ID: mdl-38828559

ABSTRACT

OBJECTIVE: To assess the clinical values of extended human papillomavirus (HPV) genotyping in triage of high-risk HPV-positive women, focusing on the trade-off between cervical precancer detections and colposcopy referrals. METHODS: A bivariate random-effects model was used to estimate the diagnostic accuracy of primary HPV screening with following triage strategies to detect cervical precancers: (i) partial genotyping for HPV16/18 combined with cytological testing at atypical squamous cells of undetermined significance threshold (used as the comparator), (ii) genotyping for HPV16/18/58/52, (iii) genotyping for HPV16/18/58/52/33, (iv) genotyping for HPV16/18/58/33/31, (v) genotyping for HPV16/18/58/52/33/31, and (vi) genotyping for HPV16/18/58/52/33/31/39/51. Internal risk benchmarks for clinical management were used to evaluate the risk stratification of each triage strategy. RESULTS: A total of 16,982 women (mean age 46.1 years, range 17-69) were included in this analysis. For CIN3+ detection, triage with HPV16/18/58/33/31 genotyping achieved lower positivity (6.85% vs. 7.35%, p = 0.001), while maintaining similar sensitivity (91.35% vs. 96.42%, p = 0.32) and specificity (94.09% vs. 93.67%, p = 0.56) compared with the comparator strategy. Similar patterns were observed for CIN2+ detection. Women with a positive HPV16/18/58/33/31 genotyping test had high enough risk for CIN3+ for colposcopy referral, while the risk for women with a negative test was below the 1-year return decision threshold according to internal benchmarks. CONCLUSIONS: Our findings suggested extended HPV genotyping is of potential to be used as a triage technique integrated into HPV-based cervical cancer screening, leading to reduced need for colposcopy referral while maintaining similar disease detection and efficient risk stratification.


Subject(s)
Early Detection of Cancer , Genotype , Papillomavirus Infections , Triage , Uterine Cervical Neoplasms , Humans , Female , Uterine Cervical Neoplasms/virology , Uterine Cervical Neoplasms/diagnosis , Uterine Cervical Neoplasms/epidemiology , Early Detection of Cancer/methods , Adult , Papillomavirus Infections/virology , Papillomavirus Infections/diagnosis , Papillomavirus Infections/epidemiology , Middle Aged , Triage/methods , China/epidemiology , Adolescent , Young Adult , Colposcopy , Papillomaviridae/genetics , Papillomaviridae/isolation & purification , Uterine Cervical Dysplasia/virology , Uterine Cervical Dysplasia/diagnosis , Uterine Cervical Dysplasia/epidemiology , Aged , Human papillomavirus 18/genetics , Human papillomavirus 18/isolation & purification , Sensitivity and Specificity , Human Papillomavirus Viruses
12.
N Z Med J ; 137(1596): 43-51, 2024 Jun 07.
Article in English | MEDLINE | ID: mdl-38843549

ABSTRACT

AIM: Cervical cancer is now preventable with human papillomavirus (HPV) vaccination and HPV screening. However, structural health system barriers in rural areas can inhibit screening access. Inequitable access for rural Maori is exacerbated by social determinants and racism. Pro-equity tools, such as self-taken swabs point of care (POC) testing, now exist. This study aimed to investigate whether POC HPV testing and immediate offer of colposcopy by a mobile colposcopy service is possible at a rural community event. METHODS: This case study was a collaboration between a research centre, a women's health bus, a molecular diagnostics company, a Maori health provider and a community charity, and took place prior to the new cervical screening programme introduction at a 2-day community event-a shearathon. Eligible participants were offered a self-taken swab for HPV, which was analysed by POC testing. If high-risk HPV was detected, they were offered an immediate colposcopy. The Maori-centred qualitative component explored women's experiences of the process. RESULTS: Fourteen women undertook a self-test for HPV. High-risk HPV was detected in six women and all were offered immediate colposcopy. Six women were interviewed. All were supportive of the service. Culturally safe staff taking time to put women at ease contributed to acceptability and positive experiences. CONCLUSION: This case study shows that provision of POC HPV testing and colposcopy at a rural community event setting is possible through cross-sector collaboration. This service was acceptable to rural transient workers who face barriers to healthcare in a high-income country.


Subject(s)
Colposcopy , Papillomavirus Infections , Rural Population , Uterine Cervical Neoplasms , Humans , Female , Papillomavirus Infections/diagnosis , Papillomavirus Infections/prevention & control , Uterine Cervical Neoplasms/diagnosis , Uterine Cervical Neoplasms/prevention & control , Uterine Cervical Neoplasms/virology , Adult , New Zealand , Middle Aged , Early Detection of Cancer/methods , Point-of-Care Systems , Point-of-Care Testing , Papillomaviridae/isolation & purification , Mobile Health Units , Native Hawaiian or Other Pacific Islander , Young Adult , Human Papillomavirus Viruses
13.
Genome Med ; 16(1): 79, 2024 Jun 07.
Article in English | MEDLINE | ID: mdl-38849905

ABSTRACT

BACKGROUND: Gastric cancer is the fifth most common cancer type. Most patients are diagnosed at advanced stages with poor prognosis. A non-invasive assay for the detection of early-stage gastric cancer is highly desirable for reducing associated mortality. METHODS: We collected a prospective study cohort of 110 stage I-II gastric cancer patients and 139 non-cancer individuals. We performed whole-genome sequencing with plasma samples and profiled four types of cell-free DNA (cfDNA) characteristics, fragment size pattern, copy number variation, nucleosome coverage pattern, and single nucleotide substitution. With these differential profiles, we developed an ensemble model to detect gastric cancer signals. Further, we validated the assay in an in-house first validation cohort of 73 gastric cancer patients and 94 non-cancer individuals and an independent second validation cohort of 47 gastric cancer patients and 49 non-cancer individuals. Additionally, we evaluated the assay in a hypothetical 100,000 screening population by Monte Carlo simulation. RESULTS: Our cfDNA-based assay could distinguish early-stage gastric cancer from non-cancer at an AUROC of 0.962 (95% CI: 0.942-0.982) in the study cohort, 0.972 (95% CI: 0.953-0.992) in the first validation cohort and 0.937 (95% CI: 0.890-0.983) in the second validation cohort. The model reached a specificity of 92.1% (128/139) and a sensitivity of 88.2% (97/110) in the study cohort. In the first validation cohort, 91.5% (86/94) of non-cancer individuals and 91.8% (67/73) of gastric cancer patients were correctly identified. In the second validation cohort, 89.8% (44/49) of non-cancer individuals and 87.2% (41/47) of gastric cancer patients were accurately classified. CONCLUSIONS: We introduced a liquid biopsy assay using multiple dimensions of cfDNA characteristics that could accurately identify early-stage gastric cancer from non-cancerous conditions. As a cost-effective non-invasive approach, it may provide population-wide benefits for the early detection of gastric cancer. TRIAL REGISTRATION: This study was registered on ClinicalTrials.gov under the identifier NCT05269056 on March 7, 2022.


Subject(s)
Biomarkers, Tumor , Cell-Free Nucleic Acids , Early Detection of Cancer , Stomach Neoplasms , Humans , Stomach Neoplasms/genetics , Stomach Neoplasms/diagnosis , Stomach Neoplasms/blood , Liquid Biopsy/methods , Early Detection of Cancer/methods , Male , Female , Middle Aged , Aged , Prospective Studies , DNA Copy Number Variations , Adult , Circulating Tumor DNA/blood , Circulating Tumor DNA/genetics
14.
Medicine (Baltimore) ; 103(23): e38451, 2024 Jun 07.
Article in English | MEDLINE | ID: mdl-38847672

ABSTRACT

Although endoscopic forceps biopsy is the gold standard for early gastric cancer (EGC) diagnosis, the method can cause endoscopic resection of specimens and histological discrepancies. This study aims to examine the risk factors for histological discrepancies in EGC and long-term clinical outcomes. This retrospective study included patients diagnosed with differentiated-type EGC using forceps biopsy. Patients without histological discrepancies and with undifferentiated types in endoscopic resection histology were categorized into the concordant and discordant groups, respectively. Clinical characteristics and long-term outcomes related to histological discrepancies were analyzed. A total of 957 lesions from 936 patients were enrolled. An overall discrepancy rate of 8.7% was confirmed, with an undifferentiated-type discrepancy of 5.5%. The discordant group showed a higher tendency for lesions to be located in the upper third region, to have whitish discoloration, and to undergo a greater number of biopsies compared with the concordant group. Multivariate analysis confirmed that lesion location in the upper third region (odds ratio [OR]: 2.125; 95% confidence interval [CI]: 1.032-5.277; P = .041) and whitish surface discoloration (OR: 13.615; 95% CI: 6.028-28.728; P = .001) were significantly correlated with histologic discrepancy. Compared with the concordant group, the discordant group had a lower curative resection rate, but no differences were observed in complications, local recurrence, or survival rates. Upper third location and whitish discoloration were risk factors for the histologic discrepancy between differentiated and undifferentiated types in patients with EGC. For curative resections performed in patients with EGC and histologic discrepancies and without additional treatment, careful follow-up is possible.


Subject(s)
Stomach Neoplasms , Humans , Stomach Neoplasms/surgery , Stomach Neoplasms/pathology , Female , Male , Retrospective Studies , Middle Aged , Risk Factors , Aged , Biopsy/methods , Surgical Instruments , Gastroscopy/methods , Early Detection of Cancer/methods , Endoscopic Mucosal Resection/methods
16.
BMC Cancer ; 24(1): 709, 2024 Jun 10.
Article in English | MEDLINE | ID: mdl-38853244

ABSTRACT

BACKGROUND: Pancreatic cancer, predominantly characterized by ductal adenocarcinoma (PDAC) accounts for 90% of cases and is the fourth leading cause of cancer-related deaths globally. Its incidence is notably increasing. This poor prognosis is primarily due to late-stage diagnosis (approximately 70% to 80% of patients are diagnosed at an advanced stage), aggressive tumor biology, and low sensitivity to chemotherapy. Consequently, it is crucial to identify and develop a simple, feasible and reproducible blood-based signature (i.e., combination of biomarkers) for early detection of PDAC. METHODS: The PANLIPSY study is a multi-center, non-interventional prospective clinical trial designed to achieve early detection of PDAC with high specificity and sensitivity, using a combinatorial approach in blood samples. These samples are collected from patients with resectable, borderline or locally advanced, and metastatic stage PDAC within the framework of the French Biological and Clinical Database for PDAC cohort (BACAP 2). All partners of the BACAP consortium are eligible to participate. The study will include 215 PDAC patients, plus 25 patients with benign pancreatic conditions from the PAncreatic Disease Cohort of TOuLouse (PACTOL) cohort, and 115 healthy controls, totaling 355 individuals. Circulating biomarkers will be collected in a total volume of 50 mL of blood, divided into one CellSave tube (10 mL), two CELL-FREE DNA BCT® preservative tubes (18 mL), and five EDTA tubes (22 mL in total). Samples preparation will adhere to the guidelines of the European Liquid Biopsy Society (ELBS). A unique feature of the study is the AI-based comparison of these complementary liquid biopsy biomarkers. Main end-points: i) to define a liquid biopsy signature that includes the most relevant circulating biomarkers, ii) to validate the multi-marker panel in an independent cohort of healthy controls and patients, with resectable PDAC, and iii) to establish a unique liquid biopsy biobank for PDAC study. DISCUSSION: The PANLIPSY study is a unique prospective non-interventional clinical trial that brings together liquid biopsy experts. The aim is to develop a biological signature for the early detection of PDAC based on AI-assisted detection of circulating biomarkers in blood samples (CTCs, ctDNA, EVs, circulating immune system, circulating cell-free nucleosomes, proteins, and microbiota). TRIAL REGISTRATION: ClinicalTrials.gov Identifier: NCT06128343 / NCT05824403. Registration dates: June 8,2023 and April 21, 2023.


Subject(s)
Biomarkers, Tumor , Carcinoma, Pancreatic Ductal , Early Detection of Cancer , Pancreatic Neoplasms , Humans , Pancreatic Neoplasms/blood , Pancreatic Neoplasms/diagnosis , Pancreatic Neoplasms/pathology , Liquid Biopsy/methods , Early Detection of Cancer/methods , France , Prospective Studies , Biomarkers, Tumor/blood , Carcinoma, Pancreatic Ductal/blood , Carcinoma, Pancreatic Ductal/diagnosis , Carcinoma, Pancreatic Ductal/pathology , Female , Male , Aged , Middle Aged
18.
World J Gastroenterol ; 30(20): 2726-2730, 2024 May 28.
Article in English | MEDLINE | ID: mdl-38855153

ABSTRACT

The screening of colorectal cancer (CRC) is pivotal for both the prevention and treatment of this disease, significantly improving early-stage tumor detection rates. This advancement not only boosts survival rates and quality of life for patients but also reduces the costs associated with treatment. However, the adoption of CRC screening methods faces numerous challenges, including the technical limitations of both noninvasive and invasive methods in terms of sensitivity and specificity. Moreover, socioeconomic factors such as regional disparities, economic conditions, and varying levels of awareness affect screening uptake. The coronavirus disease 2019 pandemic further intensified these cha-llenges, leading to reduced screening participation and increased waiting periods. Additionally, the growing prevalence of early-onset CRC necessitates innovative screening approaches. In response, research into new methodologies, including artificial intelligence-based systems, aims to improve the precision and accessibility of screening. Proactive measures by governments and health organizations to enhance CRC screening efforts are underway, including increased advocacy, improved service delivery, and international cooperation. The role of technological innovation and global health collaboration in advancing CRC screening is undeniable. Technologies such as artificial intelligence and gene sequencing are set to revolutionize CRC screening, making a significant impact on the fight against this disease. Given the rise in early-onset CRC, it is crucial for screening strategies to continually evolve, ensuring their effectiveness and applicability.


Subject(s)
COVID-19 , Colorectal Neoplasms , Early Detection of Cancer , Humans , Colorectal Neoplasms/diagnosis , Colorectal Neoplasms/epidemiology , Early Detection of Cancer/methods , COVID-19/diagnosis , COVID-19/epidemiology , Artificial Intelligence , Mass Screening/methods , Mass Screening/organization & administration , SARS-CoV-2/isolation & purification , Quality of Life , Colonoscopy
19.
World J Gastroenterol ; 30(20): 2638-2656, 2024 May 28.
Article in English | MEDLINE | ID: mdl-38855150

ABSTRACT

As a highly invasive carcinoma, esophageal cancer (EC) was the eighth most prevalent malignancy and the sixth leading cause of cancer-related death worldwide in 2020. Esophageal squamous cell carcinoma (ESCC) is the major histological subtype of EC, and its incidence and mortality rates are decreasing globally. Due to the lack of specific early symptoms, ESCC patients are usually diagnosed with advanced-stage disease with a poor prognosis, and the incidence and mortality rates are still high in many countries, especially in China. Therefore, enormous challenges still exist in the management of ESCC, and novel strategies are urgently needed to further decrease the incidence and mortality rates of ESCC. Although the key molecular mechanisms underlying ESCC pathogenesis have not been fully elucidated, certain promising biomarkers are being investigated to facilitate clinical decision-making. With the advent and advancement of high-throughput technologies, such as genomics, proteomics and metabolomics, valuable biomarkers with high sensitivity, specificity and stability could be identified for ESCC. Herein, we aimed to determine the epidemiological features of ESCC in different regions of the world, especially in China, and focused on novel molecular biomarkers associated with ESCC screening, early diagnosis and prognosis prediction.


Subject(s)
Biomarkers, Tumor , Early Detection of Cancer , Esophageal Neoplasms , Esophageal Squamous Cell Carcinoma , Humans , Esophageal Squamous Cell Carcinoma/epidemiology , Esophageal Squamous Cell Carcinoma/diagnosis , Esophageal Squamous Cell Carcinoma/mortality , Esophageal Squamous Cell Carcinoma/pathology , Esophageal Neoplasms/epidemiology , Esophageal Neoplasms/diagnosis , Esophageal Neoplasms/mortality , Esophageal Neoplasms/pathology , Prognosis , Biomarkers, Tumor/analysis , Biomarkers, Tumor/genetics , Early Detection of Cancer/methods , China/epidemiology , Incidence , Risk Factors
20.
Sex Health ; 212024 Jun.
Article in English | MEDLINE | ID: mdl-38833543

ABSTRACT

Background In mid-2022 Australia's National Cervical Screening Program made self-collection of a vaginal sample an option for screening for young women or people with a cervix aged 25 to 29 years for the first time. This study explored what young women thought about, and wanted to know about, self-collection, and what their future screening preferences are. Methods Young women (n =21), aged 24-29years, were recruited through social media. Semi-structured interviews explored screening history, screening preferences and thoughts about self-collection. Data were analysed using an a priori coding framework informed by the Theoretical Framework of Acceptability. Results Young women valued the addition of self-collection to the national cervical screening program, believing it to be less invasive and more convenient. However, they also valued the choice to opt for a clinician-collected specimen if preferred. Conclusions Self-collection is a valuable addition to the National Cervical Screening Program. This study suggests that continued efforts are needed to raise awareness of its availability, and improve understanding about its accuracy, the ease of collection, that you still need to engage with a primary healthcare service to access it and that you can still opt for a clinician-collected test.


Subject(s)
Early Detection of Cancer , Uterine Cervical Neoplasms , Humans , Female , Australia , Adult , Uterine Cervical Neoplasms/diagnosis , Young Adult , Early Detection of Cancer/methods , Self Care , Specimen Handling/methods , Vaginal Smears/statistics & numerical data , Patient Acceptance of Health Care/statistics & numerical data , Health Knowledge, Attitudes, Practice
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