A Case Report of a Mature Omental Teratoma: Insights Into Extragonadal Teratoma Formation and Management.

Authors

Mohamad Behzadi, Nazanin Anaraki, Javad Salimi

Published in

Case reports in surgery. Volume 2026. Pages 9926848. Epub Jun 17, 2026.

Abstract

Teratomas are germ cell tumors, with ovarian teratomas being the most common type. However, extragonadal teratomas are extremely rare. Omental teratomas are the most common type of extragonadal teratomas. Most patients with omental teratomas are asymptomatic, making preoperative diagnosis challenging. Imaging studies, such as CT scans, can provide valuable information, but a definitive diagnosis requires histopathological examination. In this case, a 65-year-old Iranian woman presented with mild abdominal pain and a normal physical examination. A preoperative abdominopelvic CT scan revealed a calcified pelvic mass with fat components, suggesting a connection to the right fallopian tube. However, during surgery, the mass was found to be in the greater omentum, with no adnexal involvement. Histopathological examination confirmed a mature teratoma. Treatment for mature teratomas typically involves surgical excision, which was successfully performed in this case, resulting in a smooth postoperative recovery.

PMID:
42318542
Bibliographic data and abstract were imported from PubMed on 19 Jun 2026.

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