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방광에 발생한 원발성 소세포암종의 세포학적 소견 -1 예 보고-
권미선,안긍환,정진행,이승숙,고재수,Kwon, Mi-Seon,Ahn, Geung-Hwan,Chung, Jin-Haeng,Lee, Seung-Sook,Koh, Jae-Soo 대한세포병리학회 2001 대한세포병리학회지 Vol.12 No.2
Primary small cell carcinoma of the urinary bladder is a rare malignant tumor. A more rapidly fatal course may be seen in advanced stages of small cell carcinoma as compared to similar stages of urothelial carcinoma. It is very important to recognize this distinct form of bladder cancer by urinary cytology The differential diagnosis of small cell carcinoma of the urinary bladder includes metastatic small cell carcinoma, urothelial carcinoma, and primary or secondary malignant lymphoma. This article highlights the urinary cytologic diagnosis of a case of primary small cell carcinoma. A 59-year-old male presented with gross hematuria for five months. Urinary cytology showed high cellularity consisting of tiny monotonous tumor cells in the necrotic background. The tumor cells occurred predominantly singly, but a few in clusters. The cytoplasm was so scanty that only a very narrow rim of it was seen. The nuclei were oval or round and had finely stippled chromatin. Rarely, the nuclei contain visible nucleoli. Frequently cell molding was noted in clusters. Many single cells demonstrated nuclear pyknosis or karyorrhexis. The histologic findings of transurethral resection and partial cystectomy specimen were those of small cell carcinoma. Cytologic distinction may be very difficult but careful attention to clinical features and cellualr details can classify these neoplasms correctly.
흉막에 발생한 고립 섬유성 종양의 세침흡인 세포학적 소견 - 폐의 선암종으로 오진한 1예 보고 -
최윤라,오영륜,이미숙,한정호,안긍환,Choi, Yoon-La,Oh, Young-Lyun,Lee, Mee-Sook,Han, Jung-Ho,Ahn, Geung-Hwan 대한세포병리학회 2001 대한세포병리학회지 Vol.12 No.2
Solitary fibrous tumor on the pleura is rare but should be included in the differential diagnosis on a peripheral pulmonary nodule. Cytologic features of solitary fibrous tumor of the pleura is not familar to the pathologist and may be misdiagnosed as malignancy. We report fine needle aspiration cytologic(FNAC) findings of a case of solitary fibrous tumor misdiagnosed as adenocarcinoma in a 48-year-old woman. The FNAC displayed a mixture of bland-looking spindle cells and clusters of epithelioid cells, which have hyperchromatic nuclei with prominent nucleoli. The helpful finding to distinguish It from other circumscribed benign and malignant lesions is the presence of fibromyxoid matrix admixed with blood vessels and thin collagen fibers. Familiarity with these features is essential to avoid misdiagnosis and overtreatment.
이수호(Soo Ho Lee),안긍환(Geung Hwan Ahn),권기대(Ki Dae Kwon),우제호(Je Ho Woo) 대한정형외과학회 2004 대한정형외과학회지 Vol.39 No.4
신경섬유종은 비교적 흔한 연부 조직 종양이지만 고립성 골내 신경 섬유종은 가장 희귀한 골종양 중 하나로 전세계적으로 수십 예만이 보고되고 있으며 이 역시 상악골과 하악골에 국한되어 있다. 저자들은 대퇴 경부에 발생한 고립성 골내 신경섬유종 1예에 대하여 대퇴골 대전자 절골술을 통한 병소내 소파술과 골이식술을 시행하여 추시 중인 환자를 문헌 고찰과 함께 보고하는 바이다. Whereas neurofibroma is a fairly common soft tissue tumor, solitary intraosseous neurofibroma is a very rare type of bone tumor, and there relatively few cases have been reported worldwide, which were localized to the maxilla and mandible. We experienced a solitary intraosseous neurofibroma and treated it by curettage and bone graft through trochanter osteotomy of the femur. We report a rare case of solitary intraosseous neurofibroma and provide a review of reported cases.
한용철 ( Yong Chol Han ),안긍환 ( Geung Hwan Ahn ),서정돈 ( Jung Don Seo ),김대하 ( Dae Ha Kim ),김용일 ( Yong Il Kim ) 대한내과학회 1971 대한내과학회지 Vol.14 No.12
Needle biopsy of the pleura using Cope biopsy needle was done on 56 cases of pleural effusion due to various causes, from May, 1970 to August, 1971, at the department of internal medicine, Seoul National University Hospital. The result of biopsy and the hi