月归档:十月 2012

Transitional Cell Carcinoma of Ovary卵巢移行细胞癌3

This tumor has high-grade morphology with many giant nuclei, oxyphilic cytoplasm, and frequent mitotic figures. Stage for stage, transitional cell carcinomas of the ovary have worse prognosis than malignant Brenner tumors.

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Transitional Cell Carcinoma of Ovary卵巢移行细胞癌2

This case resembles high-grade urothelial carcinoma arising in the urinary tract. Some cases of ovarian transitional cell carcinomas contain components of serous, endometrioid, mucinous or clear cell carcinomas

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Transitional Cell Carcinoma of Ovary卵巢移行细胞癌

Transitional cell carcinomas of the ovary resemble those seen in the urinary tract and they lack benign and borderline Brenner elements. They show a variety of patterns, including diffuse, insular, trabecular, and microcystic.

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Benign Brenner Tumor with Ossification良性布伦纳瘤伴骨化

Some Brenner tumors show areas of calcification. Such tumors have a gritty cut surface.

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Malignant Brenner Tumor 恶性卵巢勃勒纳氏瘤3

Malignant Brenner tumors account for about 5% of all Brenner tumors.

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Malignant Brenner Tumor 恶性卵巢勃勒纳氏瘤

Malignant Brenner tumor with an appearance reminiscent of high-grade urothelial carcinomas of the urinary tract.

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Malignant Brenner Tumor 恶性卵巢勃勒纳氏瘤

Malignant Brenner tumors show cytologically malignant areas (resembling high-grade urothelial carcinomas of the urinary tract) with stromal invasion. A benign Brenner tumor is seen on the left in this image. The appearance of the malignant component may be transitional (seen … 继续阅读

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Borderline Brenner Tumor 交界性布伦纳瘤2

Borderline Brenner tumor showing several layers of transitional-type epithelium with cytologic atypia and frequent mitotic figures. There was no evidence of invasion anywhere in the tumor. These tumors have a benign clinical outcome following oophorectomy.

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Borderline Brenner Tumor 交界性布伦纳瘤

Borderline Brenner tumors make up approximately 3% to 5% of all Brenner tumors. They show proliferative changes with papillary fronds and nuclear atypia and resemble urothelial carcinomas found in the urinary tract. Foci of benign Brenner tumor are also present. … 继续阅读

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Benign Brenner Tumor with Mucinous Cystadenoma良性布伦纳粘液性囊腺瘤4

Close-up of the abrupt transition from mucinous cystadenoma to Brenner tumor within the same cystic space. return to Transitional Cell Tumors

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