Abstract
BackgroundLeiomyosarcoma arising from mesentery is a rare tumor associated with worse prognosis. The tumor arises from smooth muscles in vascular wall. Ileal mesentery is common site of this tumor origin.Case presentationA middle age female was presented with complain of abdominal distension. A mass was palpable on abdominal examination. CT scan showed large mesenteric cyst. 15 × 10 cm large mass excised with associated mesentery and small bowel segment and on histopathology was found, and it was diagnosed as mesenteric leiomyosarcoma. The patient was discharged and referred to oncology for chemotherapy.ConclusionLeiomyosarcoma is a rare disease with grave prognosis. There is a paucity of literature and proper guidelines for its management; however, surgical excision with healthy margins is a mainstay of management. Close follow-up is recommended post-operatively because there are high chances of recurrence and metastasis.
Highlights
Leiomyosarcoma arising from mesentery is a rare tumor associated with worse prognosis
About two-third of these tumors arise from mesentery of small bowel with ileal mesentery being the most common site, origin from transverse and sigmoid mesocolon or other region is possible
We diagnosed a rare case of leiomyosarcoma which developed in the mesenteric cyst
Summary
Primary leiomyosarcoma of the mesentery is a rare aggressive neoplastic lesion with worse prognosis [1]. We diagnosed a rare case of leiomyosarcoma which developed in the mesenteric cyst Her diagnostic workup was done, surgery was planned, and histopathology of the specimen revealed definitive diagnosis. CT scan abdomen revealed large solid mass with small cystic component as well as in the lower abdomen and pelvis (Fig. 1). It was compressing and displacing the adjacent bowel loops. Excision of the cyst with wedge resection of an associated mesentery and ileal segment was done. On gross examination, it was solid in consistency (Fig. 2).
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