Primary solid neoplasms of the greater omentum

Area of Science:

• Oncology
• Surgical Pathology

Background:

• Primary solid tumors of the greater omentum are exceptionally rare, with limited documented cases.
• Malignant hemangiopericytomas are an extremely infrequent subtype, accounting for only a small fraction of these rare tumors.

Observation:

• A case of a 40-year-old patient with a large omental hemangiopericytoma presenting with abdominal pain, a palpable mass, early satiety, and weight loss.
• Post-operative follow-up revealed widespread tumor progression within 18 months, leading to death despite chemotherapy.

Findings:

• Clinical presentation of primary omental tumors commonly includes abdominal discomfort and a palpable mass.
• Malignant indicators include significant weight loss, ascites, and peritoneal implants.
• The current review suggests surgical excision as the primary treatment, with limited evidence supporting the efficacy of chemotherapy or radiation.

Implications:

• The rarity of these tumors and limited long-term follow-up hinder definitive conclusions on optimal therapeutic strategies and prognosis.
• Further research and case reporting are crucial for understanding the behavior and management of omental hemangiopericytomas.
• Surgical resection remains the cornerstone of management for primary omental tumors.