An extra-skeletal Ewing’s Sarcoma presenting with urinary retention- Impact of anatomical location on patient management; A case report

Background: Ewing’s sarcoma is one of the common malignant childhood tumours. The radiological features pre-sacral may mimic primary nerve sheath tumor or teratoma. Case Presentation: A 16-year-old girl presented with acute retention urine found to have a midline mass in region pelvis clinical examination and scans. preoperative biopsy was not done. complex location need excise tract, if histology turned out be malignant, predicated this decision. entirely excised. histological diagnosis that an Sarcoma, focal infiltration surgical margins. Conclusion: anatomical site size should considered before considered. result positive for malignancy would favor adjuvant chemotherapy radiation, but requires tract Primary resection preferred choice when complex.