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Torsion of a giant antimesenteric lipoma of the sigmoid: a rare cause of acute abdomen.

ABSTRACT: Lipomas of the gastrointestinal tract are uncommon benign tumors of mature adipocytes and may occur in any portion along the gut. Depending on location they may have a variety of clinical presentations and even simulate malignant neoplasms. We report a case of a 58-year-old woman who presented with acute pelvic pain. An emergency sonogram detected a hyperechogenic mass in the left adnexal region, with no vascularization on Doppler. A computed tomography confirmed the hypothesis of a fat containing tumor with signals of torsion. The patient underwent laparoscopy which depicted a mass over the antimesenteric side of the sigmoid with signs of ischemia and twisted vascular pedicle. The lesion was resected, and the microscopy confirmed the diagnosis of lipoma. The multidisciplinary team in the emergency room must be aware of these possible complications in order to optimize patient care.

SUBMITTER: Miranda JA

PROVIDER: S-EPMC6073086 | biostudies-other | 2018 Oct

REPOSITORIES: biostudies-other

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Torsion of a giant antimesenteric lipoma of the sigmoid: a rare cause of acute abdomen.

Miranda Júlia Azevedo JA Viana Públio César Cavalcante PCC Meirelles Luciana Rodrigues LR Panizza Pedro Sergio Brito PSB Jureidini Ricardo R Horvat Natally N

Radiology case reports 20180730 5

Lipomas of the gastrointestinal tract are uncommon benign tumors of mature adipocytes and may occur in any portion along the gut. Depending on location they may have a variety of clinical presentations and even simulate malignant neoplasms. We report a case of a 58-year-old woman who presented with acute pelvic pain. An emergency sonogram detected a hyperechogenic mass in the left adnexal region, with no vascularization on Doppler. A computed tomography confirmed the hypothesis of a fat containi ...[more]

PMID: 30093928

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