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HOME > J Pathol Transl Med > Volume 33(5); 1999 > Article
Case Report Juvenile Granulosa Cell Tumor Arising in Undescended Testis: A case report.
So Ya Paik, Hae Youn Kang, Jae Ho Han, Woo Ick Yang, Seok Joo Han
Journal of Pathology and Translational Medicine 1999;33(5):376-379
DOI: https://doi.org/
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1Department of Pathology, Yonsei University College of Medicine, Seoul 120-752, Korea.
2General Surgery, Yonsei University College of Medicine, Seoul 120-752, Korea.

Juvenile granulosa cell tumor is rare but one of the common congenital testicular neoplasms. Although histological features are typical of its ovarian counterpart, testicular juvenile granulosa cell tumor has a distinctly different clinical presentation. We report a case of juvenile granulosa cell tumor arising in the cryptochid testis of a 4-day-old newborn. A 6 5 5 cm sized multilocular cyst containing thick, mucinous fluid was found in the peritoneal cavity. The external surface of the cyst was smooth and the septae were relatively thin. The cyst consisted of numerous mucin-filled, cystic follicles lined by cells having vacuolated cytoplasm and round to oval dark nuclei without grooves. Cells resembling granulosa cells of an ovarian follicle were also observed in the intervening stroma forming irregular solid nests.

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