Supplementary Material
No dataAbstract
Angiomatoid fibrous histiocytoma (AFH) is a rare soft tissue tumor with low-grade malignant potency that has typically occurred in the extremities of young adults over the last 30 decades. A 77-year-old female presented to the emergency department with a sudden onset of severe abdominal pain. Contrastenhanced computed tomography demonstrated a 2.5 cm cystic tumor in the upper abdomen that appeared ruptured with hemorrhage. The tumor that arose from the peritoneum was successfully resected and proven to be a ruptured AFH. The patient remained recurrence-free at the 1-year follow-up.