3 results match your criteria: "Mexico. apadillar@abchospital.com[Affiliation]"

Pure hibernoma of the breast: insights about its origins.

Ann Diagn Pathol

August 2012

Department of Pathology, The American British Cowdray Medical Center, Mexico City DF, Mexico.

Hibernomas are rare benign tumors composed of cells reminiscent of brown adipose tissue. In the mammary gland, hibernomas are extraordinary rare, with only 4 cases reported previously. We report the fifth case in a 37-year-old woman who presented with a slowly growing mobile mass in her right breast.

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Follicular dendritic cell sarcoma (FDCS) is a very rare malignant tumor arising most frequently in lymph nodes with only few reports of extranodal locations. We report the case of a 35-year-old man with a large retroperitoneal mass. Histologically the tumor was composed of highly pleomorphic cells exhibiting some uncommon features such as an epithelioid appearance, cystic spaces, and multinucleated cells with morphologic features of emperipolesis.

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