Mesenteric desmoid tumor after bariatric surgery: a case report

Daniel Navarini, Antônio Benincá Albuquerque, André Luca Boeira Rovani, Victor Vasconcelos da Silva, Bernardo Antoniolli Ranzolin, Diego Reffatti, Ramir Luan Perin, Carlos Augusto Scussel Madalosso


We report the case of a 37-year-old woman investigated for left flank pain, 1 year after bariatric surgery (Roux-en-Y gastric bypass). Abdominal computed tomography (CT) revealed a solid, heterogeneous and expansive intra-abdominal lesion, measuring 9.3x9.4x10.4cm, compressing adjacent structures with no signs of invasion. The main diagnostic hypothesis considered was desmoid tumor/Schwannoma and a ileocolectomy with partial mesenteric resection was performed. A histopathological and immunohistochemical analysis confirmed the diagnosis of mesenteric desmoid tumor.


desmoid tumor, Roux-en-Y gastric bypass, mesenteric tumor

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