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Open Access Case Report

Primary renal teratoma: a rare entity

Karima Idrissi-Serhrouchni1*, Hinde El-Fatemi1, Aziz El madi2, Khadija Benhayoun1, Laila Chbani1, Taoufik Harmouch1, Youssef Bouabdellah2 and Afaf Amarti1

Author Affiliations

1 Department of Pathology, Hassan II University Hospital, Fez 30000, Morocco

2 Department of Pediatric Surgery, Hassan II University Hospital, Fez 30000, Morocco

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Diagnostic Pathology 2013, 8:107  doi:10.1186/1746-1596-8-107

Published: 25 June 2013

Abstract

Teratomas are neoplasms that arise from pluripotent cells and can differentiate along one or more embryonic germ lines. Renal teratoma is an exceedingly rare condition. Teratomas commonly arise in the gonads, sacrococcygeal region, pineal gland, and retroperitoneum. They present mainly as an abdominal mass with few other symptoms. Majority of the tumors are benign, situated on the left side and para renal, occasional lesions are bilateral. If diagnosed early, they are amenable to curative excision.

Renal teratomas are rare and most have been dismissed as cases of teratoid nephroblastomas or retroperitoneal teratomas secondarily invading the kidney. The differentiation between these two neoplasms in the kidney is often problematic.

We present a case of intrarenal immature teratoma in a six-month-old baby girl.

The virtual slides for this article can be found here: http://www.diagnosticpathology.diagnomx.eu/vs/1746249869599954 webcite.

Keywords:
Teratoma; Immature; Wilms; Kidney; Extragonadal