- Carcinosarcoma Arising from Mixed Tumor of the Parotid Gland: A case report.
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Jae Soo Koh, Chang Won Ha, Na Hye Myoung, Kyung Ja Cho, Kyung Kyun Oh, Mi Kyung Kim, Ja June Jang
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Korean J Pathol. 1992;26(5):530-532.
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 Abstract
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- A case of true malignant mixed tumor of the parotid gland is reported. The tumor, occuring in a 55-year-old man, started to grow rapidly after a long history of parotid mass. Total parotidectomy was carried out and the resected tumor measured 5x4x3 cm with a cut surface showing grayish-white solid and myxoid appearance. Microscopically, the tumor had both carcinomatous and sarcomatous elements, the former consisting of undifferentiated carcinoma with focal areas of ductal differentiation and the latter consisting of pleomorphic sarcoma with chondrosarcomatous differentiation.
A remnant of benign pleomorphic adenoma could also be identified. Immunohistochemical study demonstrated focal cytokeratin reactivity in the carcinoma cells and vimentin in sarcomatous elements. It is assumed from these clinical and histological findings that the tumor had transformed from a pre-existing benign pleomorphic adenoma.
- Oxyphilic Clear Cell Carcinoma of the Ovary: A case report.
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Chang Won Ha, Jae Soo Koh, Na Hye Myoung, Kyung Ja Cho, Sang Yoon Park, Mi Kyung Kim, Ja June Jang
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Korean J Pathol. 1992;26(5):500-503.
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Abstract
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- Oxyphilic clear cell carcinoma of the ovary is a variant of clear cell carcinoma with abundant eosinophilic cytoplasm described by Young & Scully in 1987. Thorough samplin is needed to identify typical foci of clear cell carcinoma for the differential diagnoses from a variety of ovarian tumors with oxyphilic cells. We report a case of oxyphilic clear cell carcinoma in a 65-year-old female patient who presented with vaginal spotting and lower abdominal discomfort. The excised mass was a 10x8x7cm sized, well circumscribe yellowish white solid ovarian tumor. Microscopically, the tumor showed glandular, papillary and alveolar growth patterns composed of cuboidal or hobnail-shaped oxyphilic cells.
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