Intrabdominal Ewing Sarcoma of the Peritoneum: A Case Report

<p>Extraskeletal Ewing sarcoma (ES) is a small round-cell tumour and constitutes a sparsely reported clinical condition. We present a case of a 19-year-old man with abdominal distension and palpable masses in all quadrants of the abdomen. The patient was diagnosed with peritoneal ES and had multimodal oncologic treatment. On neoadjuvant setting, the patient received 9 cycles of chemotherapy and then underwent radical surgical excision, achieving R0 resection.</p>