Background: Ovarian lymphoma is a rare neoplasm and most commonly represents secondary ovarian involvement in overt systemic disease, usually of the non-Hodgkin's type.
Aim: To report a case of acute abdomen caused by torquated large ovarian lymphoma.
Case report: We report the case of 65-year-old patient admitted to our hospital with signs and symptoms of acute abdomen. Findings were suggestive of left ovary torsion due to the neoplasm. After detorsion, mobilization, and adhesiolysis, a bilateral adnexectomy was performed. Histopathological and immunohistochemical analysis of the left ovarian tumor was performed and diagnosis of diffuse large B‑cell lymphoma (DLBCL) with a GCB (germinal center B‑cell-like) phenotype was made. Additional bone marrow biopsy and imaging techniques excluded other sites of involvement, confirming diagnosis of primary ovarian DLBCL.
Conclusion: The prognosis of ovarian lymphomas may be poorer than for other lymphomas because of late diagnosis. The best treatment option appears to be systemic chemotherapy.
Keywords: Chemotherapy; Hematologic Neoplasms; Immunohistochemistry; Surgery; Ultrasonography.
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