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Fig. 1 | Reproductive Biology and Endocrinology

Fig. 1

From: Leydig cell tumor in a patient with 49,XXXXY karyotype: a review of literature

Fig. 1

Identification of a Leydigioma in a patient with 49,XXXXY karyotype with bilateral testicular ectopia. a Identification of 1 and 1.5 cm diameter testes within the inguinal groin by computed tomography in adolescence. b Identification of a well circumscribed 2 mm diameter tumor in the testis. Tumor cells are hexagonal, with round uniform prominent nuclei. The cytoplasm is eosinophilic, or slightly pale due to lipid accumulation. Lipofuschine pigment is identified in steroid producing tumors. Some calcification and hyalinization of the stroma could be identified. Reinke crystals, pathognomonic for Leydigioma are present in only 40 % of the cases. They were absent in this case. c Immuno staining of the tumor by Calretinin, a specific marker of stroma cell tumors. d Ki67 immuno staining. the proliferative index is low in the benign tumors

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