月归档:八月 2012

Acute Villitis 急性绒毛组织炎

The most common routes of infection of placenta, membranes and umbilical cord are ascending infection (from maternal vaginal tract) or hematogenous route. Hematogenous infections are usually viral or protozoal, whereas ascending infections are usually bacterial. The low-power image shows expansion … 继续阅读

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Papillary Serous Carcinoma : Chemotherapy effect浆液性乳头状癌:化疗效果

High-grade papillary serous carcinoma showing bizarre tumor giant cells and atypical mitoses. Some of the cytologic changes may be related to the pre-operative chemotherapy received by the patient.

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Papillary Serous Carcinoma : High-grade浆液性乳头状癌:高分化

High-grade tumor cells arranged in nests and clusters infiltrating the ovarian stroma.

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Papillary Serous Carcinoma : Microinvasion浆液性乳头状癌:微小浸润

Foci of microinvasion consist of single epithelial cells or small clusters with abundant eosinophilic cytoplasm. They should not exceed 10 sq.mm in area or 3 mm in linear dimension. Stromal reaction is usually minimal or absent and such areas may … 继续阅读

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Papillary Serous Carcinoma浆液性乳头状癌

Papillary serous carcinoma invading ovarian stroma. Note the high-grade features and desmoplastic stromal response.

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Papillary Serous Carcinoma : Psammoma Bodies 浆液性乳头状癌:沙粒体

Papillary serous carcinoma with numerous psammoma bodies infiltrating the ovarian stroma. In rare cases, psammoma bodies predominate and a present virtually in every papillae. Such tumors are termed Psammocarcinoma. They are low-grade, invasive, with small epithelial nests, and have excellent … 继续阅读

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Papillary Serous Carcinoma 浆液性乳头状癌2

High power view of a papillary serous carcinoma showing irregularly branching papillae without much stroma lined by highly atypical nuclei.

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Papillary Serous Carcinoma 浆液性乳头状癌

Papillary serous carcinoma discovered during exploratory laparotomy in a woman who presented with intestinal obstruction. The tumor’s cut surface shows solid, cystic and papillary areas. Image courtesy of Ed Uthman, MD, Houston, Texas. Used with permission

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Serous Borderline Tumor 卵巢浆液性交界性肿瘤11

High power view of a serous borderline tumor showing hierarchical branching pattern of papillae. The tips of papillae have cell clusters that appear detached. Occasional mitotic figures can be seen.

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Serous Borderline Tumor 卵巢浆液性交界性肿瘤10

Typical pattern of a serous borderline tumor. Branching papillae are lined by stratified epithelium with moderate atypia.

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