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Appendiceal actinomycosis mimicking appendiceal tumor, appendicitis or inflammatory bowel disease
성유나,김지훈 대한병리학회 2021 Journal of Pathology and Translational Medicine Vol.55 No.5
Appendiceal actinomycosis is very rare and its diagnosis is often difficult even in surgically resected specimens. Here we report two cases of appendiceal actinomycosis confirmed by pathologic examination of surgically resected specimens. Characteristic histologic features included transmural chronic inflammation with Crohn-like lymphoid aggregates and polypoid mucosal protrusion into cecal lumen through fibrous expansion of the submucosa. Chronic active inflammation involved the mucosa of the appendix and cecum around the appendiceal orifice. Crohn’s disease with predominant cecal involvement and inflammatory pseudotumor were considered as differential diagnoses. Careful examination revealed a few actinomycotic colonies in the mucosa, confirming the diagnosis. A high index of suspicion with awareness of the characteristic histologic features might prompt careful inspection for the actinomycotic colonies, leading to the appropriate diagnosis of this rare disease.
성유나,송민정,이재훈,송기병,황대욱,안철수,황신,홍승모 대한암학회 2020 Cancer Research and Treatment Vol.52 No.2
Purpose The 8th edition of gallbladder cancer staging in the American Joint Committee on Cancer (AJCC) staging system changed the T and N categories. Materials and Methods In order to validate the new staging system, a total of 348 surgically resected gallbladder cancers were grouped based on the 8th edition of the T and N categories and compared with patients’ survival. Results Significant differences were noted between T1b-T2a (p=0.003) and T2b-T3 (p < 0.001) tumors, but not between Tis-T1a, T1a-T1b, and T2a-T2b tumors. However, significant survival differences were observed both by the overall and pair-wise (T1-T2, T2-T3) comparisons (all, p < 0.001) without dividing T1/T2 subcategories. When cases with ! 6 examined lymph nodes were evaluated, significant survival differences were observed among the entire comparison (p < 0.001) and pair-wise comparisons of N0-N1 (p=0.001) and N1-N2 (p=0.039) lesions. When cases without nodal dissection (NX) were additionally compared, significant survival differences were observed between patients with N0-NX (p=0.001) and NX-N1 (p < 0.001) lesions. Conclusion The T category in the 8th edition of the AJCC staging system did not completely stratify the prognosis of patients with gallbladder cancer. Modification by eliminating T subcategories can better stratify the prognosis. In contrast, the N category clearly determines patients’ survival with ! 6 examined lymph nodes. The survival time in patients of gallbladder cancers without nodal dissection is between N0 and N1 cases. Therefore, close postoperative followed up is recommended for those patients.
청년고용정책 참여유형이 청년대졸자의 취업성과에 미치는 영향
성유지,최재성 한국사회복지행정학회 2020 한국사회복지행정학 Vol.22 No.2
본 연구의 목적은 청년고용정책 참여유형이 청년대졸자의 취업성과에 미치는 영향을 분석하는 것이다. 분석 데이터는 한국고용정보원의 2016년 대졸자직업이동경로조사(GOMS 2015) 자료이며, 분석 사례 수는 만21~35세 미만의 청년 총 15,663명이다. 분석방법은 성향점수매칭과 로지스틱 회귀분석을 사용하였다. 연구의 초점은 청년고용정책이 파편적 접근보다는 두 가지 이상의 정책이 결합되었을 때 효과성이 더 긍정적일 수 있는가에 두어졌다. 분석 결과, 분석대상 청년 중 35.6%는 청년고용정책에 전혀 참여하지 않고 있으며, 청년고용정책에 참여하는 청년들 중 약 80%는 두 개 이상의 청년고용정책에 동시에 참여하는 것으로 나타났다. 또한, 각각의 청년고용정책들은 개별적으로는 청년들의 취업여부에 오히려 부(-)적으로 유의한 영향을 주는 것으로 밝혀졌다. 로지스틱 회귀분석 모델에서 여러 참여유형 중 직업훈련, 직접일자리 창출, 공공고용서비스와 행정 정책 세 가지 모두 참여한 유형의 경우 비참여자에 비해 임시․일용직보다 상용직으로의 취업에 정(+)적인 효과를 가지는 것으로 분석되었다. 연구 결과는 파편화된 나열식 정책․프로그램 제공보다는 다양한 정책․프로그램을 결합적으로 제공하는 것이 필요함을 시사한다.
전선영,성유나,이재훈,박광민,이영주,홍승모 대한암학회 2019 Cancer Research and Treatment Vol.51 No.1
Purpose T category of the eighth edition of the American Joint Committee on Cancer (AJCC) staging system for distal bile duct carcinoma (DBDC) was changed to include tumor invasion depth measurement, while the N category adopted a 3-tier classification system based on the number of metastatic nodes. Materials and Methods To validate cancer staging, a total of 200 surgically resected DBDCs were staged and compared according to the seventh and eighth editions. Results T categories included T1 (n=37, 18.5%), T2 (n=114, 57.0%), and T3 (n=49, 24.5%). N categories included N0 (n=133, 66.5%), N1 (n=50, 25.0%), and N2 (n=17, 8.5%). Stage groupings included I (n=33, 16.5%), II (n=150, 75.0%), and III (n=17, 8.5%). The overall 5-year survival rates (5-YSRs) of T1, T2, and T3 were 59.3%, 42.4%, and 12.2%, respectively. T category could discriminate patient survival by both pairwise (T1 and T2, p=0.011; T2 and T3, p < 0.001) and overall (p < 0.001) comparisons. The overall 5-YSRs of N0, N1, and N2 were 47.3%, 17.0%, and 14.7%, respectively. N category could partly discriminate patient survival by both pairwise (N0 and N1, p < 0.001; N1 and N2, p=0.579) and overall (p < 0.001) comparisons. The overall 5-YSRs of stages I, II, and III were 59.0%, 35.4%, and 14.7%, respectively. Stages could distinguish patient survival by both pairwise (I and II, p=0.002; II and III, p=0.015) and overall (p < 0.001) comparisons. On multivariate analyses, T and N categories (p=0.014 and p=0.029) and pancreatic invasion (p=0.006) remained significant prognostic factors. Conclusion The T and N categories of the eighth edition AJCC staging system for DBDC accurately predict patient prognosis.
신수진,박호섭,성유나,유창훈,황대욱,박진홍,김규표,이상수,류백렬,서동완,김송철,홍승모 대한암학회 2018 Cancer Research and Treatment Vol.50 No.4
Purpose Pancreatic cancer associated double primary tumors are rare and their clinicopathologic characteristics are not well elucidated. Materials and Methods Clinicopathologic factors of 1,352 primary pancreatic cancers with or without associated double primary tumors were evaluated. Results Of resected primary pancreatic cancers, 113 (8.4%) had associated double primary tumors, including 26 stomach, 25 colorectal, 18 lung, and 13 thyroid cancers. The median interval between the diagnoses of pancreatic cancer and associated double primary tumors was 0.5 months. Overall survival (OS) of pancreatic cancer patients with associated double primary tumors was longer than those with pancreatic cancer only (median, 23.1 months vs. 17.0 months; p=0.002). Patients whose pancreatic cancers were resected before the diagnosis of metachronous tumors had a better OS than patients whose pancreatic cancer resected after the diagnosis of metachronous tumors (48.9 months and 13.5 months, p=0.001) or those whose pancreatic cancers were resected synchronously with non-pancreas tumors (19.1 months, p=0.043). The OS of pancreatic cancer patients with stomach (33.9 months, p=0.032) and thyroid (117.8 months, p=0.049) cancers was significantly better than those with pancreas cancer only (17.0 months). Conclusion About 8% of resected pancreatic cancers had associated double primary tumors, and those from the colorectum, stomach, lung, and thyroid were common. Patients whose pancreatic cancer was resected before the diagnosis of metachronous tumors had better OS than those resected after the diagnosis of metachronous tumors or those resected synchronously.
최수정,임기정,이주현,성유나 대한이비인후과학회 2024 대한이비인후과학회지 두경부외과학 Vol.67 No.7
Benign vascular tumors are relatively common in the head and neck region, but are rarelyfound in the ear. Among vascular tumors, infantile hemangioma stands as the prevailing enti-ty, characterized by a rapid initial proliferation of endothelial cells, succeeded by a gradual re-gression over the course of several years. In contrast, arteriovenous malformation (AVM) is aless common phenomenon, originating from peripheral vascular anomalies during embryo-genesis, and it does not undergo spontaneous regression. Specifically, the occurrence of AVMwithin the external auditory canal are exceedingly uncommon. Here, we describe a case of a49-year-old male patient who had a mass incidentally discovered in the external auditory ca-nal, but refused initial treatment. He later returned as the mass enlarged. This case could havebeen clinically misdiagnosed as a hemangioma, but was ultimately diagnosed pathologically as an AVM.