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A 45 year old woman underwent Laparoscopy-assisted total hysterectomy with staging procedure following a diagnosis of endometrial endometrioid adenocarcinoma on her endometrial biopsy. The hysterectomy specimen showed a FIGO I stage 1a, endometrioid carcinoma. A separate polypoid lesion in the endometrium, distinct from the carcinoma, was also identified. Microscopicopically the polypoid lesion was "nodular histiocytic hyperplasia". The H&E, immunohistochemical staining findings and the differential diagnoses are discussed in this report. Although description of similar lesions is available in the literature, the current lesion is unique as it is identified in a hysterectomy specimen in its entirety and its association with an endometrial endometrioid carcinoma. Virtual Slides The virtual slide(s) for this article can be found here: http://www.diagnosticpathology.diagnomx.eu/vs/1060511915121922 [ABSTRACT FROM AUTHOR]

The article offers information on the challenges in the diagnosis of the fibroepithelial lesions of breast. Topics discussed include information on the breast lesions with epithelial and spindle cell components including the fibroadenoma, phyllodes tumor and the nodular pseudoangiomatous stromal hyperplasia (NPASH); discussions on the uniform stromal cellularity and minimal epithelial proliferation in NPASH.

We encountered two cases of endometrioid carcinoma of uterus with extensive surface epithelial changes (SECs) mimicking serous borderline tumor (SBT) of the ovary. The first case was a well-differentiated endometrioid carcinoma arising in a background of complex atypical hyperplasia. The second case was moderately-differentiated endometrioid carcinoma with squamous and mucinous differentiation. The SECs comprised of thin microapapillae without hierarchal branching, lined by cuboidal cells with eosinophilic cytoplasm and mild to moderate nuclear atypia. These areas were reminiscent of SBTs of ovary, micropapillary type. This report expands the existing spectrum of SECs. Serous borderline tumor of ovary like surface epithelial changes could be misleading if present in an endometrial biopsy or curettings. Therefore, knowledge of this morphologic variation is important. [ABSTRACT FROM AUTHOR]

The article discusses a case study of a 74-year-old postmenopausal woman who was diagnosed with cystic hypersecretory hyperplasia (CHH). Particular focus is given on the diagnosis of the disease and microscopic examination of the patient with subareolar palpable breast mass. It also presents several images which show CHH of breast.