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Revista Colombiana de Cirugía

versão impressa ISSN 2011-7582versão On-line ISSN 2619-6107

Resumo

ARENAS, Juan C.; ROMO, Julián A.  e  LOPEZ, Laura A.. Extragonadal teratoma of the greater omentum, an unusual location: case report and review of the literatura. rev. colomb. cir. [online]. 2020, vol.35, n.4, pp.689-694.  Epub 15-Fev-2021. ISSN 2011-7582.  https://doi.org/10.30944/20117582.452.

Introduction.

Teratomas are totipotential cell masses, commonly located in the ovaries or testes. Its extragonadal location is rare, in the omentum being even rarer. To date, approximately 34 similar cases are known in the literature.

Case presentation.

A 61-year-old female patient is presented, with pain in the lower abdomen associated with a sensation of mass, with negative tumor markers and diagnostic images that show an encapsulated mass and internal annular calcification suggestive of old fat necrosis versus desmoid tumor. Due to the clinical presentation and the imaging findings, it was decided to carry out exploratory laparotomy where a cystic mass dependent on the omentum was found, with sebaceous material intermixed with hair and bone fragments, which was resected in bloc without complications. The histopathological study report finally concluded the presence of a mature cystic teratoma with degenerative changes. Due to satisfactory evolution, he was discharged from hospital.

Discusion.

Extragonadal cystic teratoma of the omentum is exotic in the world literature, with few case reports. In this case, the laparotomy resection was successful and uncomplicated. Due to its low incidence, laparotomy has been a valid and safe option for management, although knowing the case allows us to propose an approach with minimally invasive techniques.

Palavras-chave : teratoma; omentum; dermoid cyst; abdominal neoplasms.

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