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짧은 추적기간 중 형태학적 변화를 보인 과형성 위용종증 1 예
하창원,신경한,주광로,김성수,박상선,강승호,김원천,김충현,엄기성 대한소화기내시경학회 2001 Clinical Endoscopy Vol.22 No.6
Hyperplastic polyps are often multiple and by far the most frequent lesions among gastric polyps, contributing for about 90% of the polypoid lesions observed in the stomach. However, hyperplastic gastric polyposis is rare and was not exactly evaluated for natural course. These lesions are considered reactive and not genetically determined conditions. So it has been claimed that the hyperplastic polyps and hyperplastic polyposis are non-neoplastic lesions that result from regenerative hyperplastic reaction to inflammation and erosion. Recently we experienced a hyperplastic gastric polyposis with morphological changes during short follow-up period and reported herein.
세침흡인 세포학적 검사로 진단된 간 방선균증 - 1예 보고 -
하창원,고재수,조경자,장자준,Ha, Chang-Won,Koh, Jae-Soo,Cho, Kyung-Ja,Jang, Ja-June 대한세포병리학회 1992 대한세포병리학회지 Vol.3 No.2
We experienced a case of primary hepatic actinomycosis which was initially diagnosed by means of fine needle aspiration. The patient was a 31-year-old emaciated man with a 2-month history of 10 kg weight loss, right upper quadrant pain and flank pain. The liver was palpable and tender on physical examination. Computerized tomography scan of the liver showed two ill-defined hypodense masses in gallbladder fossa and inferior pole of right lobe. Hepatocellular carcinoma was clinically suspected. A CT-guided fine needle aspiration was peformed. Microscopically, smears showed numerous radiating clusters of filamentous bacteria with many neutrophils and monocytes in necrotic background. The symptoms were improved by incision and drainage and massive administration of penicillin.
하창원,명나혜,조경자,장자준,Ha, Chang-Won,Myong, Na-Hye,Cho, Kyung-Ja,Jang, Ja-June 대한세포병리학회 1990 대한세포병리학회지 Vol.1 No.2
Leiomyosarcoma of the soft tissue is a well-defined and characteristic entity histologically, but cytomorphological studes are lacking. A correlaive cytological study of 2 cases of leiomyosarcoma is presented. The smears from case 1 were rich in tumor cells and most cells were arranged in large sheets or clusters. The cells showed round to oval nuclei containing fine chromatin and small promiment nucleoli. The smears from case 2 were moderate in cellularity with loose clusters or isolated cells. The characteristic blunt-ended and cigar-shaped nuclei containing coarse chromatin and prominent nucleoli were identified in case 2. Nuclear atypia, prominent nucleoli and high cellularity permit diagnosis of malignancy, although the atypia is generally less pronounced than in the histology. The cytological diagnosis of leiomyosarcoma may be auxiliary in the diagnosis of recurrence or metastasis in the patients with alleged leiomyosarcoma.
유방의 분비성 상피암종의 세침 흡인 세포학적 소견 - 1례 보고 -
하창원,고재수,명나혜,조경자,장자준,Ha, Chang-Won,Koh, Jae-Soo,Myong, Na-Hye,Cho, Kyung-Ja,Jang, Ja-June 대한세포병리학회 1992 대한세포병리학회지 Vol.3 No.1
Secretory carcinoma is a very rare tumor of the breast, having characteristic histologic findings. A cytologic study of a secretory carcinoma is presented. The smears were abundant in tumor cells which were arranged in loosely adherent or large tight clusters in clear background. The individual cells were round or oval, monomorphic, and had abundant eosinophilic cytoplasm. The cytoplasm showed distinct borders and single or fine vacuolization. The nuclei were peripherally located, oval, and vesicular with small prominent nucleoli. As in histology, the cytologic features were so characteristic that a diagnosis of secretory carcinoma could be made by ctyologic study only.