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Hyperechoic pancreas on ultrasonography: an analysis of its severity and clinical implications
Hyunji Oh,박현정,Jiyun Oh,Lee Eun Sun,박성빈,Min Jae Cha,Ahn Soohyun 대한초음파의학회 2022 ULTRASONOGRAPHY Vol.41 No.2
Purpose: This study investigated risk factors for hyperechoic pancreas (HP) on ultrasonography (US) according to HP severity.Methods: Between December 2008 and February 2014, 1,459 subjects who underwent abdominal US as part of health examinations were retrospectively included. Two radiologists assessed and categorized the severity of HP as normal, mild, moderate, and severe. Subjects were allocated to two groups as follows: fatty pancreas 1 (FP1; mild to severe HP) and fatty pancreas 2 (FP2; moderate to severe HP). Clinico-metabolic parameters such as the body mass index and blood test profile of subjects with normoglycemia and prediabetes/diabetes were compared (normal vs. FP1; normal or mild HP vs. FP2). Logistic regression analysis was used to evaluate the associations between HP, nonalcoholic fatty liver disease (NAFLD), and diabetes/prediabetes with adjustment for clinico-metabolic parameters.Results: Of the 1,459 subjects, 71.2% and 40.4% showed HP and NAFLD on US, respectively. Normoglycemia and prediabetes/diabetes were present in 74.3% and 25.7% of subjects, respectively. Univariable analysis revealed that all the clinico-metabolic parameters were significantly associated with HP (all P<0.05). In the adjusted multivariable analysis, prediabetes/diabetes, NAFLD, age, and body mass index were significantly associated with HP with the FP1 and FP2 criteria. The independent factor with the strongest association with HP was NAFLD using the FP1 criterion (odds ratio [OR], 7.93; P<0.001) and prediabetes/diabetes using the FP2 criterion (OR, 6.96; P<0.001).Conclusion: NAFLD and prediabetes/diabetes were associated with US-diagnosed HP. Moderate to severe HP was a better predictor of prediabetes/diabetes, suggesting that evaluating HP severity may be useful in clinical practice.
Renomedullary Interstitial Cell Tumor Mimicking Renal Cell Carcinoma: A Case Report
Hyunji Oh,Sung Bin Park,Tae-Jin Lee,Byung Hoon Chi,박현정,Eun Sun Lee 대한영상의학회 2022 대한영상의학회지 Vol.83 No.6
Renomedullary interstitial cell tumors are often incidentally identified either upon autopsy or kidney resection for other reasons. However, rare renomedullary interstitial cell tumor cases resulting in a clinical symptomatic mass have been reported. We present a case of renomedullary interstitial cell tumor that was manifested as an incidentally detected renal mass and mimicked renal cell carcinoma on the imaging features.
오현지(Hyunji Oh),박가빈(Gabin Park),서지우(Jiwoo Seo),양시원(Siwon Yang),이상운(Sangun Lee) 한국방송·미디어공학회 2022 한국방송공학회 학술발표대회 논문집 Vol.2022 No.11
현재는 온라인을 통해 개인이 직접 방송을 제작하는 형태의 1인 방송이 가능한 시대이다. 스마트폰을 이용하였을 경우 방송할 만한 충분한 환경이 마련되지 않아도 비교적 간단하게 중계 시스템을 구성할 수 있다. 본 논문에서는 최근 하나의 문화이자 대중 스포츠로 자리 잡은 E-스포츠의 게임 유저들이 스마트폰을 활용해 게임에 쉽게 참여할 수 있는 중계 시스템 구현을 제안한다.