Resumo

NEYRA-RODRIGUEZ, Carlos Manuel; FONSECA-SOSA, Fernando Karel; PRING-SILVERA, Alexis  e  RAMOS-SOCARRAS, Aníval Ernesto. Mesothelial cyst of the greater omentum. Cir. gen [online]. 2021, vol.43, n.3, pp.202-204.  Epub 02-Jun-2023. ISSN 1405-0099.  https://doi.org/10.35366/108575.

We present the case of a 49-year-old female patient with a history of intraabdominal volume increase of slow and progressive growth. In epigastrium and mesogastrium a mass of approximately 16 cm was palpated, not painful, movable in all directions. The abdominal ultrasound showed a cystic mass. Abdominal computed tomography more accurately determined its origin and location. A programmed midline laparotomy was performed, identifying a multiloculated cyst of 15 × 8 cm located in the greater omentum. We perform complete surgical exeresis. The anatomopathological study reported a multiloculated cyst covered with a simple columnar epithelium of mesothelial type without cellular atypia that rests on a thin layer of fibro-connective tissue, compatible with a simple mesothelial cyst. Postoperative evolution was favorable. Cysts of the greater omentum are infrequent surgical conditions. They should be taken into account as a differential diagnosis in all female patients during the fourth decade of life that presents an increase in intraabdominal volume located in mesogastrium, mobile, slow and progressive growth. The treatment of choice is surgical resection, either conventionally or laparoscopically.

Palavras-chave : omental cyst; mesothelial cyst; abdominal cyst.

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