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이지신,최명숙 대한병리학회 2003 Journal of Pathology and Translational Medicine Vol.37 No.2
Adenomyoepithelioma of the female breast is a rare tumor. With rare exceptions, the tumor is uniformly solid. We describe a large grossly cystic adenomyoepithelioma in a 67-year-old female. The tumor was histologically benign. The characteristic microscopic finding was the proliferation of rounded tubules lined by both epithelial and myoepithelial cells. Immunohistochemical findings confirmed the presence of two cell population.
특징적인 소용돌이 배열을 보인 역분화 지방육종 -1예 보고-
이지신,김영복 대한병리학회 2003 Journal of Pathology and Translational Medicine Vol.37 No.5
A dedifferentiated liposarcoma is a uncommon neoplasm characterized by the coexistence of a well-differentiated liposarcoma and non-lipogenic sarcomas. A peculiar neural-like or meningothelial-like whorling pattern of dedifferentiation has recently been reported. We report a case of dedifferentiated liposarcoma with a peculiar whorling pattern in the scrotum of a 76-year-old man. Histologically, the tumor consisted of areas of a well differentiated liposarcoma admixed with areas of a morphologically non-lipogenic sarcoma. The whorls were scattered throughout the tumor. The cells in the whorls and dedifferentiated area showed a significant nuclear PCNA and p53 protein reactivity.
이지신,박창수,Lee, Ji-Shin,Park, Chang-Soo 대한세포병리학회 1996 대한세포병리학회지 Vol.7 No.2
The diagnostic accuracy of routine cytological preparations from effusions ranges from 60% to 70%. Immunohistochemical markers, especially tumor-associated antigens, have been successfully employed to increase diagnostic sensitivity in effusion cytology. However, more than two different antibodies in diagnosis of effusions are needed. In the view of prevalence of abnormalities of p53 gene in human malignancies we investigated the diagnostic usefulness of demonstration of p53 protein immunoreactivity in distinguishing benign changes versus malignant processes in effusions. p53 protein expression was studied immunohistochemically in 76 effusions(28 malignant and 48 benign) using anti-human p53 antibody p53 immunoreactivity was identified in 19 of 28(67.9%) malignant effusions. In contrast, no p53 immunoreactivity was observed in all benign effusions. A specificity of 100% and a sensitivity of 67.9% were observed. These results suggest that immunohistochemical detection of p53 protein seems to be helpful in distinguishing benign changes versus malignant processes in effusions, although its principal limitation is its relatively low sensitivity.
파골세포 모양의 다핵거대세포를 지닌 갑상선 역행성암종의 세침흡인 세포학적 소견
이지신,고향미,이민철,박창수,정상우,Lee, Ji-Shin,Ko, Hyang-Mi,Lee, Min-Cheol,Park, Chang-Soo,Juhng, Sang-Woo 대한세포병리학회 1994 대한세포병리학회지 Vol.5 No.2
Anaplastic carcinoma of the thyroid is one of the most malignant tumors and survival for longer than three years after diagnosis is exceptional. Multinucleated giant cells of osteoclastlike appearance are seen un some of the anaplastic carcinoma, but only three cases in which the diagnosis was made by fine needle aspiration (FNA) cytology are reported in the international literature. We experienced a case of anaplastic carcinoma with osteoclastlike giant cells in a 66-yr-old female, diagnosed by FNA cytology. The smears revealed two cell populations: multinucleated giant cells and large polygonal or spindle shaped malignant cells. The FNA cytodiagnosis of anaplastic thyroid carcinoma containing osteoclastlike giant cells was substantiated by subsequent biopsy.
체강삼출액의 진단에 있어서 유세포분석에 의한 DNA 함량 측정의 유용성
이지신,정상우,Lee, Ji-Shin,Juhang, Sang-Woo 대한세포병리학회 1997 대한세포병리학회지 Vol.8 No.1
The specificity of cytologic examination in effusions is high but the sensitivity is low. Therefore, various ancillary methods for the detection of malignant cells in effusions have been proposed. The presence of an aneuploid cell population is generally considered diagnostic of malignancy. The purpose of this study is to determine whether the routine use of flow cytometry adds to standard cytologic evaluation in effusions. We did flow cytometric DNA analysis in 76 effusions(28 malignant and 48 benign fluids). All the 48 benign effusions were diploid. There were 12(42.9%) aneuploid and 16(67.1%) diploid malignant effusions. Based on these results flow cytometric DNA analysis had a sensitivity of 42.9% and a specificity of 100%. These results suggest that flow cytometric DNA analysis may be a useful adjunct to conventional cytology, but its principal limitation is us relatively low sensitivity.
갑상선 역형성암종의 DNA 배수성에 관한 화상분석학적 연구
이지신,이민철,박창수,정상우,Lee, Ji-Shin,Lee, Min-Cheol,Park, Chang-Soo,Juhng, Sang-Woo 대한세포병리학회 1995 대한세포병리학회지 Vol.6 No.1
Anaplastic carcinoma of the thyroid gland is one of the most malignant tumors. Recently, DNA ploidy measured by flow cytometry and image analysis has been suggested as an additional useful indicator of tumor behavior. Studies on the occurrence and clinical significance of DNA aneuploidy in anaplastic carcinoma of the thyroid are rare. In this study, the pattern of DNA ploidy was measured by image analysis on Papanicolaou stained slides in four cases of anaplastic carcinoma and also measured by flow cytometry using paraffin blocks in two cases. In all cases of anaplastic carcinoma, DNA aneuploidy was found by image analaysis. By flow cytometry, one case had a diploid peak and the other case had an aneuploid peak. According to the above results, we conclude that anaplastic carcinoma of the thyroid glands have a high incidence of DNA aneuploidy and image analysis using Papanicolaou stained slides is a useful method in detecting DNA aneuploidy.
세침흡인 생검으로 진단된 안와 수막종 - 1예 보고 -
이지신,김경수,이민철,박창수,정상우,Lee, Ji-Shin,Kim, Kyung-Soo,Lee, Min-Cheol,Park, Chang-Soo,Juhng, Sang-Woo 대한세포병리학회 1994 대한세포병리학회지 Vol.5 No.2
Orbital meningioma is a rare neoplasm that, even when suspected by CT or echographic examination, requires careful histologic study for precise identification. Fine needle aspiration(FNA) biopsy has become the diagnostic technique of choice in recent years for investigating orbital masses. There have been a few previous reports on FNA biopsy of orbital menigioma. We experienced a case of orbital meningioma in a 11-yr-old boy, diagnosed by FNA biopsy. The cytohistologic features of aspirated material (intranuclear inclusions, psammoma bodies, and cells arranged in whorls) made it easy to diagnose a meningloma.
기관지에 발생한 선양 낭성암종의 세포학적 소견 - 1례 보고 -
이지신,김종순,양복숙,이민철,박창수,정상우,Lee, Ji-Shin,Kim, Jong-Soon,Yang, Bok-Sook,Lee, Min-Cheol,Park, Chang-Soo,Juhng, Sang-Woo 대한세포병리학회 1995 대한세포병리학회지 Vol.6 No.1
Adenoid cystic carcinoma arising from the submucosal glands of the trachea and bronchial tree is rare. The histopathology and natural history of bronchial adenoid cystic carcinoma have been well documented, but detailed descriptions of its cytomorphology are few. We report a case of primary bronchial adenoid cystic carcinoma in a 20-year-old female, diagnosed by bronchial brushing cytology. The cytologic specimens showed large clusters of small cells arranged around cystlike spaces containing globular basophilic material.
관상소엽암종의 세침흡인 세포학적 소견 - 1 예 보고 -
이지신,김영복,Lee, Ji-Shin,Kim, Young-Bog 대한세포병리학회 2002 대한세포병리학회지 Vol.13 No.2
Tubulolobular carcinoma is a tumor of the breast that shares histoiogic features of both tubular and lobular carcinoma of the breast. The cytologic features of this neoplasm have not been reported in Korea. We described a case of tubulolobular carcinoma diagnosed by fine needle aspiration cytology in a 46-year-old female. The tumor contained several cytologic features of both tubular and lobuar carcinoma, including tubular structures, single filing of cells, intracytoplasmic vacuoles, and low nuclear grade.