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Case Reports
. 2016 Dec 14:19:18-21.
doi: 10.1016/j.gore.2016.12.004. eCollection 2017 Feb.

Wilms' tumor of the ovary

Vinita M Alexander  1 , Jane Meisel  2 , Shannon O'Brien  3 , Namita Khanna  1
Affiliations
Case Reports

Wilms' tumor of the ovary

Vinita M Alexander et al. Gynecol Oncol Rep. .

Abstract

Extrarenal Wilms' tumor of the ovary is a very rare tumor likely derived from embryonic mesonephros. We present the first reported case of a teratoid extrarenal Wilms' tumor of the ovary with a short review of the existing literature. In the case, a 26-year-old woman presented with back pain and was found to have a dermoid cyst; three years later, she presented again, now pregnant, with severe abdominal pain. She was diagnosed with an immature teratoma consisting of a Wilms' tumor (immature component) arising within a mature teratoma and treated exclusively with surgery and surveillance. The recovery from surgery was uneventful and the patient remains without evidence of disease with eleven months of follow-up.

Keywords: Immature teratoma; Wilms' tumor of ovary.

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Figures

Fig. 1
Fig. 1
Mature teratoma. This benign tumor is composed of ectodermal (epidermis), endodermal (respiratory, gastrointestinal, thyroid, etc.), mesodermal (smooth muscle, bone, teeth, cartilage, fat), and neuroectodermal tissue (cerebrum, cerebellum, etc.). Images A and B demonstrate the ectodermal elements including skin and hair, respectively. Cerebellar and thyroid tissue were also identified and are shown in images C and D.
Fig. 2
Fig. 2
Wilms tumor (nephroblastoma). Wilms tumor is a triphasic neoplasm which consists of blastemal (arrow), stromal (arrowhead) and epithelial elements (abortive tubules and glomeruli; star). This tumor is typically positive for WT-1 and negative for CD99.
See this image and copyright information in PMC

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