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1.
Article in English | WPRIM | ID: wpr-925285

ABSTRACT

Purpose@#This study aimed to investigate the influence of social capital on the depression of older adults living in rural areas. @*Methods@#Data sets were obtained from the 2019 Korea Community Health Survey. The participants were 39,390 older adults over 65 years old living in rural areas. Indicators of social capital included trust, reciprocity, network, and social participation. Depression—the dependent variable—was measured using the Patient Health Questionnaire-9 (PHQ-9). Hierarchical ordinal logistic regression was conducted to identify factors associated with depression after adjusting the data numbers to 102,601 by applying the Synthetic Minority Oversampling Technique (SMOTE). @*Results@#The independent variables—indicators of social capital—exhibited significant association with the depression of older adults. The odds ratios of depression were higher in groups without social capital variables. @*Conclusion@#To reduce depression, we recommend increasing social capital. Factors identified in this study need to be considered in older adult depression intervention programs and policies.

2.
Epidemiology and Health ; : e2022011-2022.
Article in 0 | WPRIM | ID: wpr-937571

ABSTRACT

OBJECTIVES@#This study examined how trends in the weekly frequencies of gastrointestinal infectious diseases changed before and during the coronavirus disease 2019 (COVID-19) pandemic in Korea, and compared them with the trends in the United States. @*METHODS@#We compared the weekly frequencies of gastrointestinal infectious diseases (16 bacterial and 6 viral diseases) in Korea during weeks 5-52 before and after COVID-19. In addition, the weekly frequencies of 5 gastrointestinal infectious diseases in the United States (data from the Centers for Disease Control and Prevention) that overlapped with those in Korea were compared. @*RESULTS@#The mean weekly number of total cases of gastrointestinal infectious diseases in Korea showed a significant decrease (from 522 before COVID-19 to 245 after COVID-19, p<0.01). Only bacterial gastrointestinal infectious diseases caused by Campylobacter increased significantly; other bacterial gastrointestinal infectious diseases showed either a decrease or no change. The incidence of all other viral diseases decreased. In the United States, the weekly numbers of Salmonella, Campylobacter, typhoid, shigellosis, and hepatitis A virus cases sharply decreased after the COVID-19 outbreak. The weekly case numbers of all viral diseases markedly decreased in both countries; however, bacterial gastrointestinal infectious diseases showed a different pattern. @*CONCLUSIONS@#The incidence of gastrointestinal infectious diseases decreased after the COVID-19 outbreak. In contrast, Campylobacter infections showed an increasing trend in Korea, but a decreasing trend in the United States. Further studies are needed to elucidate the different trends in bacterial and viral infectious diseases before and after non-pharmaceutical interventions and between different countries.

3.
Yonsei Medical Journal ; : 424-430, 2021.
Article in English | WPRIM | ID: wpr-904264

ABSTRACT

Purpose@#To investigate correlations between myositis-specific autoantibodies (MSA) or myositis-associated antibodies (MAA) and clinical features, thereby demonstrating the utility of clinicoserologic classification in idiopathic inflammatory myopathies (IIM) patients. @*Materials and Methods@#We conducted a multicenter study of 108 adult patients (age ≥18 years) who were diagnosed with IIM by Peter and Bohan criteria or 2004 European Neuromuscular Centre (ENMC) criteria. Clinical data were obtained by medical record review. Immunoblot assay with Euroline strip (EUROIMMUN, Germany) was performed using the sera of dermatomyositis (DM, n=56), polymyositis (PM, n=45), amyopathic DM (n=5), DM sine dermatitis (n=1), and immune mediated necrotizing myopathy (n=1) patients. Patients were classified based on two classifications: 2017 EULAR/ACR and novel clinicoserologic classification. @*Results@#According to 2017 EULAR/ACR criteria, DM and PM were the most and the second most frequent entities. Overlap myositis was the major entity of IIM, and the frequency of PM was significantly lower when applying clinicoserologic classification criteria. Sixty-nine (63.9%) patients had one or more MSA, and 61 (56.5%) patients had one or more MAA. Interstitial lung disease was closely associated with anti-MDA5 and anti-ARS, and DM-specific skin lesions were frequently observed in patients with antiTIF1γ, anti-SRP, and anti-MDA5. @*Conclusion@#The clinicoserologic criteria based on MSA/MAA positivity could reflect more precise clinical features of IIM. Establishment of a laboratory system routinely available to screen for MSA/MAA status will be beneficial to provide precise diagnosis and proper management of IIM patients.

4.
Article in English | WPRIM | ID: wpr-900595

ABSTRACT

The KOrean College of Rheumatology BIOlogics and targeted therapy (KOBIO) registry is a nationwide observational cohort that captures detailed data on exposure of patients to biologic and targeted synthetic disease-modifying anti-rheumatic drugs (DMARDs). This registry was launched in December 2012 with an aim to prospectively investigate clinical manifestations and outcomes of patients with rheumatoid arthritis (RA), ankylosing spondylitis, and psoriatic arthritis who initiated a biologic or targeted synthetic DMARD or switched to another. Demographic data, disease activity, current treatment, adverse events, terms based on Medical Dictionary for Regulatory Activities, and so on are registered for patients who are then followed up annually in a web-based unified platform. The KOBIO registry also recruits and collects data of patients with RA on conventional DMARDs for comparison. As of today, more than 5,500 patients were enrolled from 47 academic and community Rheumatology centers across Korea. The KOBIO registry has evolved to become a powerful database for clinical research to improve clinical outcomes and quality of treatment.

5.
Article in English | WPRIM | ID: wpr-899878

ABSTRACT

Background@#Patient-centered management is becoming increasingly important in gout, but there are limited studies exploring patients' perspectives and preferences. We aimed to investigate patients' perspectives and preferences regarding gout and gout management, and their impacts on adherence to urate lowering therapy (ULT). @*Methods@#A paper-based survey was performed in patients with gout seen at the rheumatology outpatient clinics of 16 tertiary hospitals. The survey included questions regarding demographics, comorbidities, gout attacks, current treatment and adherence, and patients' perspectives and preferences regarding gout and gout management. Multivariate regression analysis was performed to determine the factors associated with ULT adherence. @*Results@#Of 809 surveyed patients with gout, 755 (94.5%) were using ULT. Among those using ULT, 89.1% had ≥ 80% adherence to ULT. Majority of the patients knew management strategies to some extent (94.8%), perceived gout as a life-long disease (91.2%), and were making efforts toward practicing at least one lifestyle modification (89.2%). Most patients (71.9%) obtained information about gout management during their clinic visits.Approximately half of the patients (53.6%) preferred managing their disease with both ULT and lifestyle modification, 28.4% preferred ULT only, and 17.4% preferred lifestyle modification only. Adherence was better in patients with older age (odds ratio [OR], 1.03), those with better knowledge of gout management strategies (OR, 3.56), and those who had preference for ULT (OR, 2.07). @*Conclusion@#Patients' perspectives and management preferences had high impacts on adherence to ULT in gout. Consideration of patients' perspectives and preferences is important for achieving the desired clinical outcome in gout.

6.
Article in English | WPRIM | ID: wpr-892891

ABSTRACT

The KOrean College of Rheumatology BIOlogics and targeted therapy (KOBIO) registry is a nationwide observational cohort that captures detailed data on exposure of patients to biologic and targeted synthetic disease-modifying anti-rheumatic drugs (DMARDs). This registry was launched in December 2012 with an aim to prospectively investigate clinical manifestations and outcomes of patients with rheumatoid arthritis (RA), ankylosing spondylitis, and psoriatic arthritis who initiated a biologic or targeted synthetic DMARD or switched to another. Demographic data, disease activity, current treatment, adverse events, terms based on Medical Dictionary for Regulatory Activities, and so on are registered for patients who are then followed up annually in a web-based unified platform. The KOBIO registry also recruits and collects data of patients with RA on conventional DMARDs for comparison. As of today, more than 5,500 patients were enrolled from 47 academic and community Rheumatology centers across Korea. The KOBIO registry has evolved to become a powerful database for clinical research to improve clinical outcomes and quality of treatment.

7.
Article in English | WPRIM | ID: wpr-892174

ABSTRACT

Background@#Patient-centered management is becoming increasingly important in gout, but there are limited studies exploring patients' perspectives and preferences. We aimed to investigate patients' perspectives and preferences regarding gout and gout management, and their impacts on adherence to urate lowering therapy (ULT). @*Methods@#A paper-based survey was performed in patients with gout seen at the rheumatology outpatient clinics of 16 tertiary hospitals. The survey included questions regarding demographics, comorbidities, gout attacks, current treatment and adherence, and patients' perspectives and preferences regarding gout and gout management. Multivariate regression analysis was performed to determine the factors associated with ULT adherence. @*Results@#Of 809 surveyed patients with gout, 755 (94.5%) were using ULT. Among those using ULT, 89.1% had ≥ 80% adherence to ULT. Majority of the patients knew management strategies to some extent (94.8%), perceived gout as a life-long disease (91.2%), and were making efforts toward practicing at least one lifestyle modification (89.2%). Most patients (71.9%) obtained information about gout management during their clinic visits.Approximately half of the patients (53.6%) preferred managing their disease with both ULT and lifestyle modification, 28.4% preferred ULT only, and 17.4% preferred lifestyle modification only. Adherence was better in patients with older age (odds ratio [OR], 1.03), those with better knowledge of gout management strategies (OR, 3.56), and those who had preference for ULT (OR, 2.07). @*Conclusion@#Patients' perspectives and management preferences had high impacts on adherence to ULT in gout. Consideration of patients' perspectives and preferences is important for achieving the desired clinical outcome in gout.

8.
Article in English | WPRIM | ID: wpr-915394

ABSTRACT

Objective@#A neuropsychological battery is a gold standard for thorough cognitive evaluation. However, it could not be used as a screening test due to its long inspection time and high cost. This study is conducted to identify specific cognitive subdomains that alter even at the early stage of cognitive decline. @*Methods@#Neuropsychological battery results of 575 persons who visited memory clinic were analysed. We classified stages of cognitive decline according to Clinical Dementia Rating (CDR) and CDR-Sum of boxes (CDR-SB). To explore which subdomains can sensitively distinguish normal cognition from the early cognitive impairment, we used Variable Importance in Projection (VIP) in addition to analysis of covariance. @*Results@#We found that scores in subdomain tests such as Rey Complex Figure Test immediate and delayed recall successfully differentiate persons with CDR 0 from those with CDR 0.5 and also persons with CDR-SB 0 from those with CDR-SB 0.5 as indicated by VIP values greater than 1. @*Conclusion@#These results suggest that alterations in visuospatial memory function might be a sensitive sign reflecting the early cognitive decline. The combination of only a few subtests could be also used as a reliable and sensitive screening tool to detect early cognitive impairment.

9.
Article in English | WPRIM | ID: wpr-915185

ABSTRACT

Purpose@#This study aimed to estimate the unmet demand for INCS and the number of needed beds for fulfillment. @*Methods@#Annual data from the Korea Health Panel (2015~2018), Health Insurance Statistical Yearbook (2015~ 2019), and published statistical data (2015~2019) were used. To measure the unmet demand, the utilization of informal nursing care services, which can be a market substitute for INCS, was used. The number of needed beds was calculated by dividing the demand by the bed occupancy rate multiplied by 365 days. @*Results@#The unmet demand decreased every year and was estimated to be 31~47 million person-day as of 2019. It was the highest in Gyeonggi (6~8 million) and the lowest in Jeju (160~220 thousand), while the fulfilled rate was the highest in Incheon (52~61%) and the lowest in Jeonbuk (6~8%). For each type, general hospitals showed the highest unmet demand (6~10 million), followed by hospitals (5~8 million) and tertiary hospitals (4~7 million). Gyeonggi province (37,212~48,882) and general hospitals (54,955~70,962) were most needed additional INCS beds. @*Conclusion@#Tailored bed expansion strategies are necessary to satisfy each region's and hospital’s demand. Considering the multi-layered causes of unmet demand, a healthcare system reform that increases the regional self-sufficiency of INCS is required.

10.
Article in English | WPRIM | ID: wpr-913541

ABSTRACT

Performing a concurrent gynecologic operation and mastectomy with immediate breast reconstruction using a free transverse rectus abdominis myocutaneous flap may increase the risk of complications such as umbilical necrosis due to vascular compromise. Imaging studies such as preoperative computed tomography angiography and intraoperative indocyanine green testing can provide information regarding the umbilical blood supply, facilitating decision-making for pedicle selection. Therefore, in situations where a coordinated operation is unavoidable, a thorough preoperative and intraoperative evaluation of the umbilical blood supply is recommended to avoid complications.

11.
Yonsei Medical Journal ; : 424-430, 2021.
Article in English | WPRIM | ID: wpr-896560

ABSTRACT

Purpose@#To investigate correlations between myositis-specific autoantibodies (MSA) or myositis-associated antibodies (MAA) and clinical features, thereby demonstrating the utility of clinicoserologic classification in idiopathic inflammatory myopathies (IIM) patients. @*Materials and Methods@#We conducted a multicenter study of 108 adult patients (age ≥18 years) who were diagnosed with IIM by Peter and Bohan criteria or 2004 European Neuromuscular Centre (ENMC) criteria. Clinical data were obtained by medical record review. Immunoblot assay with Euroline strip (EUROIMMUN, Germany) was performed using the sera of dermatomyositis (DM, n=56), polymyositis (PM, n=45), amyopathic DM (n=5), DM sine dermatitis (n=1), and immune mediated necrotizing myopathy (n=1) patients. Patients were classified based on two classifications: 2017 EULAR/ACR and novel clinicoserologic classification. @*Results@#According to 2017 EULAR/ACR criteria, DM and PM were the most and the second most frequent entities. Overlap myositis was the major entity of IIM, and the frequency of PM was significantly lower when applying clinicoserologic classification criteria. Sixty-nine (63.9%) patients had one or more MSA, and 61 (56.5%) patients had one or more MAA. Interstitial lung disease was closely associated with anti-MDA5 and anti-ARS, and DM-specific skin lesions were frequently observed in patients with antiTIF1γ, anti-SRP, and anti-MDA5. @*Conclusion@#The clinicoserologic criteria based on MSA/MAA positivity could reflect more precise clinical features of IIM. Establishment of a laboratory system routinely available to screen for MSA/MAA status will be beneficial to provide precise diagnosis and proper management of IIM patients.

12.
Immune Network ; : e27-2020.
Article | WPRIM | ID: wpr-835458

ABSTRACT

Although various studies on predictive markers in the use of PD-1/PD-L1 inhibitors are in progress, only PD-L1 expression levels in tumor tissues are currently used. In the present study, we investigated whether baseline serum levels of IL-6 can predict the treatment response of patients with advanced non-small cell lung cancer (NSCLC) treated with PD-1/PD-L1 inhibitors. In our cohort of 125 NSCLC patients, the objective response rate (ORR) and disease control rate (DCR) were significantly higher in those with low IL-6 (<13.1 pg/ml) than those with high IL-6 (ORR 33.9% vs. 11.1%, p=0.003; DCR 80.6% vs. 34.9%, p<0.001). The median progression-free survival was 6.3 months (95% confidence interval [CI], 3.9–8.7) in the low IL-6 group, significantly longer than in the high IL-6 group (1.9 months, 95% CI, 1.6–2.2, p<0.001). The median overall survival in the low IL-6 group was significantly longer than in the high IL-6 group (not reached vs. 7.4 months, 95% CI, 4.8–10.0). Thus, baseline serum IL-6 levels could be a potential biomarker for predicting the efficacy and survival benefit of PD-1/PD-L1 inhibitors in NSCLC.

14.
Article in English | WPRIM | ID: wpr-830659

ABSTRACT

Background@#Pilomatrixoma is a benign tumor that originates from the hair follicle matrix. It usually presents as a hard, slow growing, solitary mass that can be easily misdiagnosed as other skin masses. The aim of this study was to clinically analyze a case series of pilomatrixoma in pediatric patients from Korea. @*Methods@#A total of 165 pediatric patients from 2011 to 2018 with a histological diagnosis of pilomatrixoma were included. A retrospective review was performed using the electronic medical records, including patient demographics, number and location of the mass, clinical and imaging presentation, and postoperative outcomes. @*Results@#There were 61 male and 104 female patients with 152 solitary and 13 multiple pilomatrixomas. Among solitary pilomatrixomas, the lesion commonly occurred in the head and neck (84.2%), followed by upper limbs (11.2%), lower limbs (3.3%), and trunk (1.3%). The pilomatrixoma lesion presented as the following types based on our clinical classification: mass (56.02%), pigmentation (25.31%), mixed (12.65%), ulceration (4.82%), and keloid-like (1.2%). Ultrasonography showed a high positive predictive value (95.56%). There were no specific complications observed except for two cases of recurrence. @*Conclusion@#Pilomatrixoma has various clinical feature presentations and commonly occurs in the head and neck. Ultrasonography is a helpful diagnostic tool. Surgical removal of the lesion is the main treatment method with a low recurrence rate.

15.
Experimental Neurobiology ; : 352-361, 2019.
Article in English | WPRIM | ID: wpr-763769

ABSTRACT

Neuroinflammation is one of the key mechanisms of neuropathic pain, which is primarily mediated by the Toll-like receptor 4 (TLR4) signaling pathways in microglia. Therefore, TLR4 may be a reasonable target for treatment of neuropathic pain. Here, we examined the analgesic effect of TLR4 antagonistic peptide 2 (TAP2) on neuropathic pain induced by spinal nerve ligation in rats. When lipopolysaccharide (LPS)-stimulated BV2 microglia cells were treated with TAP2 (10 µM), the mRNA levels of proinflammatory mediators, such as tumor necrosis factor (TNF)-α, interleukin (IL)-1β, IL-6, cyclooxygenase (COX)-2, and inducible nitric oxide synthase (iNOS), were markedly decreased by 54–83% as determined by quantitative PCR (qPCR) analysis. Furthermore, when TAP2 (25 nmol in 20 µL PBS) was intrathecally administered to the spinal nerve ligation-induced rats on day 3 after surgery, the mechanical allodynia was markedly decreased for approximately 2 weeks in von Frey filament tests, with a reduction in microglial activation. On immunohistochemical and qPCR analyses, both the level of reactive oxygen species and the gene expression of the proinflammatory mediators, such as TNF-α, IL-1β, IL-6, COX-2, and iNOS, were significantly decreased in the ipsilateral spinal dorsal horn. Finally, the analgesic effect of TAP2 was reproduced in rats with monoiodoacetate-induced osteoarthritic pain. The findings of the present study suggest that TAP2 efficiently mitigates neuropathic pain behavior by suppressing microglial activation, followed by downregulation of neuropathic pain-related factors, such as reactive oxygen species and proinflammatory molecules. Therefore, it may be useful as a new analgesic for treatment of neuropathic pain.


Subject(s)
Analgesics , Animals , Down-Regulation , Gene Expression , Hyperalgesia , Interleukin-6 , Interleukins , Ligation , Microglia , Neuralgia , Nitric Oxide Synthase Type II , Polymerase Chain Reaction , Prostaglandin-Endoperoxide Synthases , Rats , Reactive Oxygen Species , RNA, Messenger , Spinal Cord Dorsal Horn , Spinal Nerves , Toll-Like Receptor 4 , Toll-Like Receptors , Tumor Necrosis Factor-alpha
16.
Article in English | WPRIM | ID: wpr-766185

ABSTRACT

Idiopathic inflammatory myopathies (IIM) are a heterogeneous group of autoimmune muscle diseases with systemic involvement. Patients with IIM present with varying degrees of muscle disease, cutaneous manifestations, and internal organ involvement. The diagnosis and classification of IIM is based primarily on the classification system composed of clinical features, laboratory value and muscle biopsy. In addition, the identification and characterization of myositis-related autoantibodies can help diagnosis and classification. Recently, many studies have also demonstrated that the physician can define the clinical syndromes, establish treatment strategy and predict outcomes based on the patients' myositis-specific autoantibodies (MSA) and myositis-associated antibodies (MAA) profiles. MSAs are found exclusively in IIMs and facilitate the identification of subsets of patients with relatively homogeneous clinical features. MAAs are frequently found in association with other MSA; however, they may also be detected in various connective diseases.


Subject(s)
Antibodies , Antibodies, Antinuclear , Autoantibodies , Biopsy , Classification , Dermatomyositis , Diagnosis , Humans , Myositis , Polymyositis
17.
Article in English | WPRIM | ID: wpr-766179

ABSTRACT

Dermatomyositis (DM) and polymyositis (PM) are representative idiopathic inflammatory myopathies characterized by symmetric and progressive proximal muscle weakness. Especially, DM is identified by characteristic skin lesions and has many extramuscular manifestations including various cardiac abnormalities, interstitial lung disease, and malignancy. However, involvement of peripheral nervous system in DM/PM is very rare and less known. The term “Neuromyositis” was introduced by Senator in 1893 to describe the concomitant involvement of the peripheral nervous system in DM/PM. Since then, a very few cases of neuromyositis have been reported mainly in the United States and Europe. Therefore, the pathogenetic mechanism and disease progression are unclear. In recent years, a few more cases were reported in Asia, specifically, China and Japan; however, none in Korea. Here, we describe a case of DM-associated neuromyositis in a 42-year-old man in Korea and review previous publications through literature research.


Subject(s)
Adult , Asia , China , Dermatomyositis , Disease Progression , Electromyography , Europe , Humans , Japan , Korea , Lung Diseases, Interstitial , Muscle Weakness , Myositis , Neural Conduction , Peripheral Nervous System , Peripheral Nervous System Diseases , Polymyositis , Skin , United States
18.
Article in Korean | WPRIM | ID: wpr-764659

ABSTRACT

PURPOSE: This study was done to estimate supply and demand for nursing workforce to provide community-based primary healthcare in the North Korean region to cost-efficiently narrow the health gap between the two Koreas in case of a Korean reunification. METHODS: To understand the nursing education system and current state of nursing workforce in North Korea, the authors interviewed six North Korean defectors who had worked as nurses in North Korea. Based on the interview results and literature review, the supply and demand for the primary healthcare nursing workforce that would be needed after Korean reunification were estimated RESULTS: Currently, a total of 2,100 to 2,700 North Korean nurses were estimated to have graduated from nursing schools with a 2 year curriculum or completed 6-month military nurse training courses every year. The projected number of nurses in demand to provide primary health care ranged from 84,160 to 105,200 and the shortage would be between 31,586 and 52,626. CONCLUSION: An active utilization of the North Korean nursing workforce to improve the health of North Koreans after reunification will be the best way to reduce the reunification cost which will be inflicted mainly on South Korea.


Subject(s)
Curriculum , Democratic People's Republic of Korea , Education, Nursing , Humans , Korea , Military Personnel , Nursing , Primary Health Care , Schools, Nursing
19.
Article in Korean | WPRIM | ID: wpr-740880

ABSTRACT

PURPOSE: This study was done to evaluate the adequacy of nurse staffing in integrated nursing care. METHODS: Statistical data on integrated nursing care from the National Health Insurance Corporation was used in this study. We extracted hospital data and patient data related to patient needs for nursing care. We analyzed the differences in patient needs by staffing level of each type of medical institution. RESULTS: Approximately 70% of medical institutions provided nursing care by the mid level of nurse staffing, which was 1:6, 1:10 and 1:12 in the tertiary hospital, general hospital and semi-hospital, respectively. The patients' characteristics were significantly different by hospital type. Especially, the distribution of the main diagnosis was completely different between the tertiary hospital and semi-hospital. In the tertiary hospital, the patient needs measured by severity and activities of daily living dependency were higher at higher staffing level than at lower staffing level. However, the nurse staffing was less relevant to the patient needs in the general hospital and semi-hospital. CONCLUSION: To provide high-quality nursing care, accurate workload forecasting is required at the start, and then the standard nurse staffing level can established based on workload forecasting.


Subject(s)
Activities of Daily Living , Diagnosis , Forecasting , Hospitals, General , Humans , National Health Programs , Nursing Care , Nursing , Tertiary Care Centers
20.
Korean Journal of Medicine ; : 575-581, 2018.
Article in Korean | WPRIM | ID: wpr-718857

ABSTRACT

Retroperitoneal fibrosis (RPF) is a rare disease characterized by marked fibro-inflammatory tissue in the retroperitoneum. Approximately 70% of cases of RPF are idiopathic, while the rest can be secondary to several other causes. The diagnosis is mainly obtained by imaging modalities such as computed tomography (CT). However, histological examination should be considered when the clinical manifestations and imaging studies suggest malignancy. In particular, in malignant diseases with retroperitoneal metastases, abnormal collagen plaques are formed from an exuberant desmoplastic response, which may not be distinguishable from RPF on CT scans. Therefore, even if CT suggests RPF, biopsy is essential to identify malignant disease because it typically results in a fatal prognosis. Here, we report a case of metastatic adenocarcinoma of unknown primary site that developed only in the retroperitoneum and was initially diagnosed as RPF based on CT findings.


Subject(s)
Adenocarcinoma , Biopsy , Collagen , Diagnosis , Neoplasm Metastasis , Neoplasms, Unknown Primary , Prognosis , Rare Diseases , Retroperitoneal Fibrosis , Tomography, X-Ray Computed
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