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Methods@#Patients admitted and treated for one-level (L4/5 or L5/S1) low-grade spondylolisthesis were included in the study. A total of 135 patients were divided into the degenerative or lytic spondylolisthesis groups according to their condition (81 patients [degenerative group] vs. 54 patients [lytic group]). To assess the level of similarity in the radiological findings between low-grade lytic spondylolisthesis and dysplastic spondylolisthesis, the pedicle diameters and vertebral heights of the L4 and L5 vertebrae were measured on computed tomography images. Measurements were then converted to each vertebra’s ratio to reduce confounding factors among individuals. @*Results@#The affected vertebra had a smaller sagittal pedicle diameter/transverse pedicle diameter ratio in the low-grade lytic spondylolisthesis group compared to the degenerative group, and the posterior vertebral height/anterior vertebral height ratio of L5 was smaller in the L5/S1 lytic spondylolisthesis group compared to the degenerative spondylolisthesis group. @*Conclusions@#Low-grade lytic spondylolisthesis and dysplastic spondylolisthesis demonstrated similar radiological findings. Hence, surgeons should be attentive to the morphology of the vertebral body and posterior column during preoperative planning for the treatment of low-grade lytic spondylolisthesis.
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Methods@#This study was conducted in 134 patients with OVFs initially treated conservatively. The patients were split into two groups: 3-day and 7-day ABR. From the time of injury to 1, 4, and 12 weeks after injury, compression rate (CR) and local kyphotic angle (LKA) were assessed and compared between the two groups. Any complications such as pneumonia, deep vein thrombosis, delirium, and urinary tract infection known to be related to ABR were examined based on the electronic medical record. @*Results@#Forty-four patients underwent ABR for 3 days and 90 underwent ABR for 7 days. There was no significant difference in CR and LKA between the two groups at the time of injury versus 1, 4, and 12 weeks after injury. The patients were divided into two groups: those who received a 3-day ABR and those who received a 7-day ABR. CR and LKA were measured and compared between the two groups from the time of damage to 1, 4, and 12 weeks after injury. The ABR-related complication rate was 43.4% in the 7-day ABR group and 22.7% in 3-day ABR group (p=0.02). The duration of hospital stay was significantly shorter in the 3-day ABR group (12.8 days) than in the 7-day group (16 days) (p=0.01). @*Conclusions@#Considering radiological outcomes, prognosis, complications, patient convenience, and economic impact, a 3-day ABR period is appropriate for the conservative treatment of OVFs.
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Supracricoid partial laryngectomy (SCPL) with cricohyoidoepiglottopexy (CHEP) or cricohyoidopexy (CHP) involves the removal of the whole thyroid cartilage, both true and false vocal cords, the ventricles, and the paraglottic spaces, sparing the cricoid cartilage, hyoid bone, and at least one functional and mobile cricoarytenoid unit. Reconstruction is performed by suturing of the cricoid cartilage up tightly to the hyoid bone, so trachea-releasing procedures are needed to prevent leakage at anastomosis site. In case of advanced tranglottic cancer invading tracheal tracheal wall, we need to perform additional circumferentrial tracheal wall resection. However, when we perform SCPL, circumferential resection of tracheal wall is limited because SCPL procedure itself needs releasing of tracheal length. We report a case of advanced transglottic cancer involving tracheal wall treated with induction chemotherapy and SCPL including tracheal wall resection with reconstruction of tracheal defect by sternocleidomastoid muscle flap covered with skin graft.
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Cardiac tumors are rare diseases with various imaging findings. However, differentiating cardiac tumors based on imaging findings is challenging because of similarities in imaging features. We present two cases of cardiac tumors, including primary cardiac lymphoma and cardiac metastasis, in which the differential diagnosis was difficult.
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Supracricoid partial laryngectomy (SCPL) with cricohyoidoepiglottopexy (CHEP) or cricohyoidopexy (CHP) involves the removal of the whole thyroid cartilage, both true and false vocal cords, the ventricles, and the paraglottic spaces, sparing the cricoid cartilage, hyoid bone, and at least one functional and mobile cricoarytenoid unit. Reconstruction is performed by suturing of the cricoid cartilage up tightly to the hyoid bone, so trachea-releasing procedures are needed to prevent leakage at anastomosis site. In case of advanced tranglottic cancer invading tracheal tracheal wall, we need to perform additional circumferentrial tracheal wall resection. However, when we perform SCPL, circumferential resection of tracheal wall is limited because SCPL procedure itself needs releasing of tracheal length. We report a case of advanced transglottic cancer involving tracheal wall treated with induction chemotherapy and SCPL including tracheal wall resection with reconstruction of tracheal defect by sternocleidomastoid muscle flap covered with skin graft.
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Background@#Unmet healthcare needs have many advantages for measuring inequalities in healthcare use. However, the existing indicator is difficult to capture the reality of unmet healthcare needs sufficiently and is not quite appropriate in comparing regional inequality. The purpose of this study is to critically analyze the utilization of the unmet healthcare need indicator for regional healthcare inequalities research. @*Methods@#We used the level of healthcare accessibility and healthcare need to categorize the regions that are known to cause differences in healthcare utilization between regions and verified how existing unmet healthcare need indicator is distributed at the regional level. @*Results@#Four types of regions were classified according to the high and low levels of healthcare needs and accessibility. The hypothesis about the regional type expected to have the highest unmet healthcare need was not proved. The hypothesis about the lowest expected regional type was proved, but the difference in the average rate of unmet healthcare needs among regional types was not significant. The standard deviation of the rate of unmet healthcare needs among regions within the same type was also higher than the overall regional variation, which also disproved the whole frame of hypothesis. @*Conclusion@#Failure to prove the hypothesis means the gap between the supposed meaning of the indicator and the reality. In order to understand the current state of healthcare utilization of people in various regions of Korea and to resolve inequality, fundamental research on the in-depth structure and mechanisms of healthcare utilization is needed.
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Background@#The Korean Society of Thoracic Radiology (KSTR) recently constructed a nation-wide coronavirus disease 2019 (COVID-19) database and imaging repository, referred to the Korean imaging cohort of COVID-19 (KICC-19) based on the collaborative efforts of its members. The purpose of this study was to provide a summary of the clinico-epidemiological data and imaging data of the KICC-19. @*Methods@#The KSTR members at 17 COVID-19 referral centers retrospectively collected imaging data and clinical information of consecutive patients with reverse transcription polymerase chain reaction-proven COVID-19 in respiratory specimens from February 2020 through May 2020 who underwent diagnostic chest computed tomography (CT) or radiograph in each participating hospital. @*Results@#The cohort consisted of 239 men and 283 women (mean age, 52.3 years; age range, 11–97 years). Of the 522 subjects, 201 (38.5%) had an underlying disease. The most common symptoms were fever (n = 292) and cough (n = 245). The 151 patients (28.9%) had lymphocytopenia, 86 had (16.5%) thrombocytopenia, and 227 patients (43.5%) had an elevated CRP at admission. The 121 (23.4%) needed nasal oxygen therapy or mechanical ventilation (n = 38; 7.3%), and 49 patients (9.4%) were admitted to an intensive care unit.Although most patients had cured, 21 patients (4.0%) died. The 465 (89.1%) subjects underwent a low to standard-dose chest CT scan at least once during hospitalization, resulting in a total of 658 CT scans. The 497 subjects (95.2%) underwent chest radiography at least once during hospitalization, which resulted in a total of 1,475 chest radiographs. @*Conclusion@#The KICC-19 was successfully established and comprised of 658 CT scans and 1,475 chest radiographs of 522 hospitalized Korean COVID-19 patients. The KICC-19 will provide a more comprehensive understanding of the clinical, epidemiological, and radiologic characteristics of patients with COVID-19.
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We report an ectopic mediastinal parathyroid adenoma in a patient with chronic kidney disease who presented with refractory hypercalcemia. Technetium-99m-sestamibi scintigraphy is a valuable imaging technique for the detection of an ectopic parathyroid adenoma in the mediastinum. The combination of intense contrast enhancement and the identification of a polar vessel on a computed tomography scan will ensure that a radiologist can differentiate a parathyroid adenoma from other pathologies in the mediastinum. By virtue of the advancement of imaging modalities, localization of an ectopic mediastinal parathyroid adenoma prior to surgery is possible and unnecessary neck exploration is avoidable.
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OBJECTIVES@#This study aimed to explore the health inequality discourse in the Korean press by analyzing newspaper articles using a relatively new content analysis technique.@*METHODS@#This study used the search term “health inequality†to collect articles containing that term that were published between 2000 and 2018. The collected articles went through pre-processing and topic modeling, and the contents and temporal trends of the extracted topics were analyzed.@*RESULTS@#A total of 1038 articles were identified, and 5 topics were extracted. As the number of studies on health inequality has increased over the past 2 decades, so too has the number of news articles regarding health inequality. The extracted topics were public health policies, social inequalities in health, inequality as a social problem, healthcare policies, and regional health gaps. The total number of occurrences of each topic increased every year, and the trend observed for each theme was influenced by events related to its contents, such as elections. Finally, the frequency of appearance of each topic differed depending on the type of news source.@*CONCLUSIONS@#The results of this study can be used as preliminary data for future attempts to address health inequality in Korea. To make addressing health inequality part of the public agenda, the media’s perspective and discourse regarding health inequality should be monitored to facilitate further strategic action.
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OBJECTIVES@#The aim of this study was to evaluate the associations of frailty with perceived neighborhood walkability and environmental pollution among community-dwelling older adults in rural areas.@*METHODS@#The participants were 808 community-dwelling men and women aged 65 years and older in 2 rural towns. Comprehensive information, including demographics, socioeconomic status, grip strength, polypharmacy, perceived neighborhood environment (specifically, walkability and environmental pollution), and frailty, was collected from participants using face-to-face interviews conducted between June and August 2018. Perceived neighborhood walkability was measured using 20 items that were selected and revised from the Neighborhood Environment Walkability Scale, the Neighborhood Walkability Checklist from the National Heart Foundation of Australia, and the Physical Activity Neighborhood Environment Survey. The Kaigo-Yobo Checklist was used to assess participants’ frailty.@*RESULTS@#The overall prevalence of frailty in this community-dwelling population was 35.5%. Sex, age, cohabitation status, educational attainment, employment status, grip strength, and polypharmacy were significantly associated with frailty. In the logistic regression analysis, frailty was associated with low perceived neighborhood walkability (adjusted odds ratio [aOR], 0.881; 95% confidence interval [CI], 0.833 to 0.932; p<0.001) and severe perceived neighborhood environmental pollution (aOR, 1.052; 95% CI, 1.017 to 1.087; p=0.003) after adjusting for sex, age, cohabitation status, educational attainment, employment status, monthly income, grip strength, and polypharmacy.@*CONCLUSIONS@#More studies are warranted to establish causal relationships between walkability and environmental pollution and frailty.
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Oncocytic lipoadenoma is a rare salivary gland tumor composed of adipose tissue and oncocytic epithelial cells in varied proportions. We report a case of an oncocytic lipoadenoma of the submandibular gland, which presented as a submandibular gland mass. The patient was a 65-year-old woman with a right submandibular mass measuring 2 × 2 × 1.6 cm. As a sonographic evaluation and computed tomograph scan gave us the impression of benign submandibular gland tumor such as pleomorphic adenoma, we resected the right side submandibular gland. Grossly, the tumor was well circumscribed with yellow to brown cut surface. Microscopically, the tumor was surrounded by a thin, fibrous capsule and composed of oncocytic epithelial cells admixed with mature adipose tissue. Final diagnosis was an oncocytic lipoadenoma. We discussed here radiologic and pathologic finding of this rare salivary gland tumor.
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Idoso , Feminino , Humanos , Adenoma Pleomorfo , Tecido Adiposo , Diagnóstico , Células Epiteliais , Glândulas Salivares , Glândula Submandibular , UltrassonografiaRESUMO
In 2014, the American College of Radiology (ACR) announced the guideline for the appropriate diagnostic approach and treatment of patients according to the severity of hemoptysis and risk for lung cancer. However, the application of the ACR guideline in Korea may not be appropriate, because many patients in Korea have active tuberculosis or pulmonary fibrosis due to previous tuberculosis. The Korean Society of Radiology and Korean Society of Thoracic Radiology have proposed a new guideline suitable for Korean practice. This new guideline was prepared through the consensus of a development committee, working party, and an advisory committee. The guideline proposal process was based on an evidence-based clinical imaging guideline proposed by the development committee. Clinical imaging guideline for adult patients with hemoptysis is as follows: Chest radiography is an initial imaging modality to evaluate hemoptysis. Contrast-enhanced chest CT is recommended in patients with two risk factors for lung cancer (> 40 years old and > 30 pack-year smoking history), moderate hemoptysis (> 30 mL/24 hours) or recurrent hemoptysis. Contrast-enhanced chest CT is also recommended in patients with massive hemoptysis (> 400 mL/24 hours) without cardiopulmonary compromise.
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Adulto , Humanos , Comitês Consultivos , Consenso , Hemoptise , Coreia (Geográfico) , Pulmão , Neoplasias Pulmonares , Fibrose Pulmonar , Radiografia , República da Coreia , Fatores de Risco , Fumaça , Fumar , Tórax , Tomografia Computadorizada por Raios X , TuberculoseRESUMO
OBJECTIVES.: To study the volatile sulfur compound (VSC) concentration profile in chronic tonsillitis patients before and after tonsillectomy, and to evaluate the difference between adult and pediatric (children and adolescents) patients. METHODS.: Thirty adult patients (older than 20 years old) and 30 pediatric patients (younger than 20 years old) who were assigned to get tonsillectomy due to chronic tonsillitis were enrolled in this prospective nonrandomized clinical study. The concentrations of the three main VSCs related to halitosis (hydrogen sulfide, methyl mercaptan, and dimethyl sulfide) were assessed in each patient using a portable chromatograph (Oral ChromaTM) at 1 day before operation, postoperative 1 day, 1 week, and 2 weeks. RESULTS.: Average concentration of hydrogen sulfide, methyl mercaptan, and dimethyl sulfide preoperatively were 99.5 ppb, 24.6 ppb, and 9.45 ppb in adult patients, and 97.4 ppb, 26 ppb, and 10.5 ppb in pediatric patients, respectively. The concentrations of the three VSCs in both groups were highest in first day after surgery, and decreased signigicantly after 2 weeks compared to preoperative values (P < 0.001). There was no significant difference of the concentration of the three VSCs between adult and pediatric patients in any time point. CONCLUSION.: The concentrations of hydrogen sulfide, methyl mercaptan, and dimethyl sulfide decreased significantly after tonsillectomy in chronic tonsillitis patients. The concentrations of the three VSCs were not significantly different between pediatric and adult patients before and after tonsillectomy.
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Adulto , Humanos , Cromatografia , Estudo Clínico , Halitose , Sulfeto de Hidrogênio , Tonsila Palatina , Estudos Prospectivos , Compostos de Enxofre , Enxofre , Tonsilectomia , TonsiliteRESUMO
Phlegmonous esophagitis, a rare and life-threatening disorder, is characterized by bacterial infection of the submucosal and muscularis layers of the esophagus. Herein we report a case of acute phlegmonous esophagitis with mediastinitis complicated by an esophageal perforation in a patient with diabetes mellitus and alcoholic liver cirrhosis.
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In 2014, the American College of Radiology announced a guideline for appropriate diagnostic approach and treatment in patients with hemoptysis, according to severity of hemoptysis and risk of lung cancer. However, in Korea many patients have pulmonary fibrosis due to previous tuberculosis or have active tuberculosis. Therefore, application of this guideline is not appropriate. The Korean Society of Radiology and Korean Society of Thoracic Radiology proposed a guideline more closely matching the real state of diagnostic approach and treatment of patients with hemoptysis in Korea. The guideline was prepared in consensus by a development committee, working party, and an advisory committee. The process of the guideline proposal was based on methodology for developing evidence-based clinical imaging guidelines: joint recommendations by the Korean Society of Radiology and National Evidence-Based Healthcare Collaborating Agency. The clinical imaging guideline for adult patients with hemoptysis is as follows. Chest radiography is an initial imaging modality to evaluate hemoptysis. Contrast enhanced chest CT is recommended in patients with two lung cancer risks (> 40 years old and > 30 packs per year smoking history), moderate hemoptysis (> 30 cc/24 hours) or recurrent hemoptysis. Contrast enhanced chest CT is also recommended for patients with massive hemoptysis (> 400 mL/24 hours) without cardiopulmonary compromise.
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Pulmonary metastases present a wide spectrum of radiological findings, some of which have been known to be useful for analogizing the possible origin or site of primary tumors. In the present report, we describe a unique case of pulmonary metastasis manifesting on chest computed tomography as multiple nodules with tortuous, serpentine, aneurysmal, dilated, inner intratumoral vessels. The metastasis originated from uterine sarcoma.
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On page 83 and 85, there were repeated typographical error of foot note in Table 2, Table 3, and Table 4. We have revised “adated†to “adapted.â€
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OBJECTIVES@#The objective of this study was to investigate the pain status, pain management methods, and pain experience after treatment among patients suffering from chronic non-cancer pain due to spinal disease.SUMMARY OF LITERATURE REVIEW: No thorough investigation of the current status of chronic non-cancer pain management in patients with spinal disease has recently been reported.@*MATERIALS AND METHODS@#We surveyed 330 patients with chronic non-cancer pain who visited spine clinics in Korea.@*RESULTS@#Prior to treatment, 86.7% of the patients had severe pain and 99.4% of the patients had taken oral analgesics for pain control. After treatment, the percent of patients with severe pain was reduced to 42.1%, and 52.4% of patients responded that they experienced intermittent pain. End of dose failure was experienced by 29.1% of patients, and 41.7% of patients experienced pain again 3–6 hours after taking analgesics. Furthermore, 8.2% of patients experienced breakthrough pain, and 29.1% of patients experienced pain that interfered with sleeping.@*CONCLUSIONS@#Many patients with chronic pain reported experiencing pain due to end of dose failure after medication. As the causes of chronic pain are complex, appropriate analgesics should be considered and selected for effective pain management.
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STUDY DESIGN: Cross-sectional, multi-center survey study. OBJECTIVES: The objective of this study was to investigate the pain status, pain management methods, and pain experience after treatment among patients suffering from chronic non-cancer pain due to spinal disease. SUMMARY OF LITERATURE REVIEW: No thorough investigation of the current status of chronic non-cancer pain management in patients with spinal disease has recently been reported. MATERIALS AND METHODS: We surveyed 330 patients with chronic non-cancer pain who visited spine clinics in Korea. RESULTS: Prior to treatment, 86.7% of the patients had severe pain and 99.4% of the patients had taken oral analgesics for pain control. After treatment, the percent of patients with severe pain was reduced to 42.1%, and 52.4% of patients responded that they experienced intermittent pain. End of dose failure was experienced by 29.1% of patients, and 41.7% of patients experienced pain again 3–6 hours after taking analgesics. Furthermore, 8.2% of patients experienced breakthrough pain, and 29.1% of patients experienced pain that interfered with sleeping. CONCLUSIONS: Many patients with chronic pain reported experiencing pain due to end of dose failure after medication. As the causes of chronic pain are complex, appropriate analgesics should be considered and selected for effective pain management.
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Humanos , Analgésicos , Dor Irruptiva , Dor Crônica , Coreia (Geográfico) , Manejo da Dor , Doenças da Coluna Vertebral , Coluna VertebralRESUMO
Head and neck cancer patients are prone to dysphagia and aspiration, which are usually neglected due to treatment of the cancer itself. However, dysphagia and aspiration could cause malnutrition, dehydration, pneumonia, and moreover, have negative impact on the quality of life, morbidity, and mortality. Due to its multifactorial etiology, thorough clinical and instrumental evaluation are necessary. In managing head and neck cancer patients, it has become very important to identify the possibility of dysphagia and aspiration, and to start management as early as possible.