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      • SCOPUSKCI등재

        편평세포암과 상피모양육종으로 구성된 원발성 피부 암육종

        노수현 ( Soo Hyeon Noh ),채진경 ( Jin Kyung Chae ),박상현 ( Sang Hyun Park ),김은정 ( Eun Jung Kim ),박건 ( Kun Park ) 대한피부과학회 2016 대한피부과학회지 Vol.54 No.2

        Cutaneous carcinosarcoma is a biphasic, rare tumor composed of malignant epithelial and mesenchymal components. The most common carcinoma component is a squamous cell carcinoma and the most common sarcoma component is an osteosarcoma. A 74-year-old female patient presented to our hospital with a 3.5×3.5 cm-sized exophytic, eroded tumor surrounded by an erythematous plaque on her right flank that had been present for 10 years. On the incisional biopsy specimen, the tumor was composed of atypical malignant squamous cells and epithelioid cells. Furthermore, immunohistochemistry revealed that the tumor cells were positive to cytokeratin AE1/AE3, cytokeratin 5/6, epithelial membrane antigen, p63, and vimentin but were negative to HMB45, S-100, CD31, CD34, factor VIII, smooth muscle actin, and desmin. Finally, based on these histopathological and immunohistochemical findings, we diagnosed this tumor as cutaneous carcinosarcoma consisting of squamous cell carcinoma and epithelioid sarcoma. (Korean J Dermatol 2016;54(2):145∼148)

      • SCOPUSKCI등재

        50세 이상 연령층에서 발생한 모기질종의 임상 및 병리조직학적 연구

        정영인 ( Young In Jeong ),노수현 ( Soo Hyeon Noh ),박건 ( Kun Park ),김은정 ( Eun Jung Kim ),박향준 ( Hyang Joon Park ) 대한피부과학회 2016 大韓皮膚科學會誌 Vol.54 No.2

        Background: Pilomatricoma is a benign, appendageal tumor differentiating towards the normal hair follicles and is characterized by basaloid, transitional, and shadow cells. It is most frequently seen in children; however, a bimodal onset distribution is observed in the first and sixth decades. Objective: The purpose of this study was to analyze the clinical and histopathological features of pilomatricomas in patients over 50 years of age, and to compare these features with those occurring in patients under 20 years of age. Methods: We retrospectively reviewed the medical records and histopathological findings of 73 patients under 20 years and above 50 years of age. The morphological stages of the tumors were analyzed through histopathological findings. Results: The age of patients in the over 50-year age group ranged from 50 to 82 years, with a mean age of 60 years. The male-to-female ratio was 1.1:1. The duration of lesions was from 1 month to several years, with half of the patients having the tumors for over 12 months. The predilection sites were the head (51%), followed by the upper extremities (21%), neck (15%), trunk (6%), and lower extremities (6%). In 73% of the patients over 50 years of age, pilomatricoma was less likely the suspected diagnosis compared with that in the under 20-year age group. Epidermal cysts were most likely suspected in patients over 50 years of age. Histopathologically, half of the tumors were located in the subcutis, which was not significantly different when compared with pilomatricomas in the under 20-year age group. The most common evolutional stage of tumors was early regressive (52%), followed by late regressive (27%), fully developed (15%), and early stage (6%). Capsulation (9%), inflammatory cell infiltration (60%), multinucleated giant cells (36%), calcification (33%), and ossification (12%) were observed. With the exception of capsulation, there were no significant differences in these histopathological features in pilomatricomas in patients over 50 years of age compared with those in patients under 20 years of age. Conclusion: Pilomatrichomas in patients over 50 years of age show no pain, are located in the head and neck, are present for a long duration, and have various clinical presentations when compared with those in patients under 20 years of age. However, they are not rare tumors in adults. Accordingly, pilomatricomas should be included in the clinical differential diagnosis of a solitary, deep skin tumors presenting in adults, especially when they occur on the head. (Korean J Dermatol 2016;54(2):98∼104)

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