Figure 3.

Microscopic findings a (Case 1): Cord-like tubules, mimicking Sertoli cell tumor, are showing a transition with endometrioid components. b (Case 1): Abundant stromal cells, possessing round nuclei and pale cytoplasm, are characterized by luteinization. c (Case 2): Small-sized tubular nests, mimicking Sertoli cell tumor, are found to be fused. d (Case 2): Solid nests with no tubular structure are showing the appearance of granulosa cell tumor. e (Case 3): This area is composed of conventional EMA. f (Case 3): Large-sized tubular nests with cribriform-like structure mimic the Call-Exner body. g (Case 3): Abundant stroma is rather condensed, but lacks typical luteinization. h (Case 4): Small-sized nests or strands resemble the features of a Sertoli cell tumor. i (Case 4): A part of adenofibromatous endometrioid tumor is shown. j (Case 4): The major part of the tumor is composed of mucinous cystadenoma.

Katoh et al. Diagnostic Pathology 2012 7:164   doi:10.1186/1746-1596-7-164
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