Case Report

An Unusual Adenomatoid Tumor of Fimbria with Pronounced Psammoma Bodies in a BRCA Positive Patient as a Pitfall for Carcinoma on Frozen Section

Figure 4

Photomicrographs of D2-40 immunohistochemical (IHC) stain. D2-40 IHC is a cell membrane stain and is a specific marker for mesothelial tumors as well as lymphoid endothelial cells and their neoplasms [8, 9]. ((a), 10x objective) The tumor cells as well as the vascular structures show strong reaction. ((b), 40x objective) A cluster of the foamy cells with the intense cell membrane reaction.
(a)
(b)