- Malignant Glomus Tumor Arising in Benign Glomus Tumor.
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Seung Sam Paik, Eun Sun Kim, Young Chun Moon, Chan Kum Park, Moon Hyang Park, Jung Dal Lee
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Korean J Pathol. 1997;31(3):280-283.
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 Abstract
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- The glomus tumor is a distinct neoplasm composed of modified perivascular smooth-muscle cells identical to those described in the glomus body. Malignant glomus tumor, also referred to as glomangiosarcoma, is exceedingly rare. It has been subdivided into locally infiltrative glomus tumor, glomangiosarcoma arising in a benign glomus tumor, and glomangiosarcoma arising in de novo. A few cases of malignant glomus tumor arising in a benign glomus tumor have been reported. A 55-year-old man underwent resection of a solitary nodule in the right shoulder area. The tumor was biphasic with a typical benign glomus tumor at the periphery and the central sarcomatous area composed of oval to elongated pleomorphic cells with a single prominent nucleolus and occasional mitotic figures. Both tumor components showed intense staining for vimentin, smooth muscle actin, and muscle specific actin. Herein, we report a case of a malignant glomus tumor arising in a benign glomus tumor with an immunohistochemical study and a review of literatures.
- Fine Needle Aspiration Cytology of Sparganosis.
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Sung Suk Paeng, Yoon Ju Kim, Seong Eun Yang, Hee Jin Chang, Jung Il Suh, Young Chun Moon
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Korean J Cytopathol. 1996;7(1):59-63.
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Abstract
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- Human sparganosis is a rare parasitic disease in which the larval cestode proliferates in the various organs in the body. It usually presents as a subcutaneous or soft- tissue mass. By fine needle aspiration this lesion can be diagnosed with its characteristic cytologic findings.
We experienced 3 cases of sparganosis diagnosed by the fine needle aspiration. Aspirates were taken from subcutaneous mass in the abdomen and both thighs respectively. The aspirates showed a portion of body of sparganum with numerous calcospherules, smooth muscles and tegmentat cells.
They also revealed granulomas with various inflammatory infiltration of eosinophils, neutrophils, lymphocytes and plasma cells.
- Cholesteatoma of the Renal Pelvis: A case report.
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Nam Hoon Kim, Young Chun Moon, Moon Hyang Park
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Korean J Pathol. 1995;29(5):691-693.
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Abstract
- Cholesteatoma in the kidney and ureter are accumulations of waxy, gray flakes of keratin materials, secondary to squamous metaplasia of the transitional epithelium. Herein, we describe a case of cholesteatoma in the renal pelvis of a 69-year-old woman, and give a brief review of the literature. In the upper pole of the left kidney was a 6 cm cystic lesion filled with a thick, flaky, grayish, comified material. Microscopically, the cystic area showed calyceal and pelvic structures being replaced by keratinizing stratified squamous epithelium. The surrounding renal parenchyma was atrophic with features of chronic pyelonephritis.
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