Abstract
Introduction: Liposarcoma is a malignant tumor of immature fat cells or lipoblasts most commonly occurring in the extremities or retroperitoneum, but rarely found on or within visceral organs.
Highlights
Liposarcoma is a malignant tumor of immature fat cells or lipoblasts most commonly occurring in the extremities or retroperitoneum, but rarely found on or within visceral organs
Sarcomas are typically diagnosed in extremities or the retroperitoneum; they rarely originate from visceral organs
Intra-abdominal sarcomas account for only 2% of all sarcomas [3] and there are 15 case reports published and available on gastric liposarcomas [4]
Summary
Liposarcoma is a malignant tumor of immature fat cells or lipoblasts most commonly occurring in the extremities or retroperitoneum, but rarely found on or within visceral organs. The patient is a 79-year-old male who presented to the emergency department for intermittent right upper quadrant abdominal pain with reported hematemesis and melena. His abdomen was soft and no masses were palpated. Repeat biopsy was concordant with radiological findings and revealed a well-differentiated fatty neoplasm with MDM2 amplification on tissue section. At the time of this report, the patient had a six month surveillance CT scan and upper GI endoscopy without evidence of recurrence. He was doing well clinically and was disease-free after one year of follow-up
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