In recent years, immunohistochemistry has assumed an increasingly prominent role in
diagnostic breast pathology. Immunohistochemistry is now frequently used in the evaluation of …

The categorization of intraductal proliferative lesions of the breast based on routine light
microscopic examination of histopathologic sections is in many cases challenging, even for …

We studied 54 ovarian smooth muscle tumors with an emphasis on histologic criteria for
malignancy. Twenty-two leiomyomas were identified, including 7 typical, 11 cellular, 2 mitotically …

Mesonephric remnants of the cervix are vestiges of the embryonic mesonephric system
which typically regresses during female development. Uncommonly, hyperplasia of the …

Flat epithelial atypia is a presumably neoplastic alteration of terminal duct-lobular units that
is characterized by the replacement of the native luminal epithelium by ductal cells …

Five cases of gastrointestinal stromal tumor metastatic to the ovary are reported. The average
patient age was 59 years (range, 44-81 years). The primary tumor was in the small bowel …

The solid papillary variant of ductal carcinoma in situ is an uncommon entity, which usually
presents in the seventh or eighth decade and may be associated with invasive mucinous …

Fibroepithelial tumours of the breast are biphasic neoplasms composed of both epithelial
and stromal elements, including the common fibroadenoma and the infrequent phyllodes …

Carcinoid tumors of the ovary are rare neoplasms that may be primary or metastatic.
Clinicopathologic features such as unilaterality and early stage favor a primary ovarian neoplasm …

Abstract Information on ovarian metastasis of carcinoma of the extrahepatic bile ducts and
gallbladder is limited. Sixteen examples are reported; 3 primary tumors were hilar …