• Zhen Wang and Junbo Hu.
• Hubei University of Medicine, Shiyan, China.
• Medicine (Baltimore). 2023 May 12; 102 (19): e33801e33801.

RationaleAnastomosing hemangioma (AH) is a rare benign neoplastic vascular lesion that histologically resembles a well-differentiated angiosarcoma. AH commonly involves the urinary system and testes. However, these tumors can also involve the ovaries in some rare cases. This manuscript presents the case of a 28-year-old Chinese woman diagnosed with ovarian AH.Patient ConcernsThe woman was admitted to the hospital with a 4-month history of a right ovarian mass discovered by ultrasound (US) after a spontaneous abortion. The US examination showed a 4 cm × 4 cm irregularly shaped mass with a rich blood supply.DiagnosesAH of the right ovar.InterventionThe patient underwent laparoscopic surgery to remove the mass. The postoperative pathological examination revealed that the mass contained capillaries arranged in a characteristic anastomotic or confluent pattern commonly seen in AHs.OutcomesThe mass was successfully removed. The follow-up examination at 7 months post-surgery showed that the patient recovered well, and no recurrence or metastasis was found.LessonsAH of the ovary is a rare benign vascular tumor. On imaging examinations, AHs appear as mostly well-defined, heterogeneous nodules with peripheral enhancement as other benign nodules. However, a definitive diagnosis can only be achieved through histopathological examination.Copyright © 2023 the Author(s). Published by Wolters Kluwer Health, Inc.

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