Undifferentiated embryonal sarcoma of liver arising within mesenchymal hamartoma in a child "case report"

Abstract Background Primary pediatric liver tumors are scarce. Undifferentiated embryonal sarcoma of the (UESL) embraces nine to fifteen percent hepatic neoplasms. Mesenchymal hamartoma (MHL) is second most prevalent benign neoplasm following infantile hemangioendothelioma. Case presentation A 6-year-old female child presented with vague diffuse abdominal pain and palpable right lumbar mass by clinical examination. The US showed a well-circumscribed large complex multilocular cystic lesion multiple internal septations some turbid loculi. constellation CT dynamic MRI findings raised presence atypical suspicious hemorrhagic, calcific entities soft tissue enhancement. histopathological correlation proved UESL on background MHL. Conclusions case lesion, which had typical ultrasound features MHL, however, criteria. Finally, our as in MHL based upon pathological diagnosis. radiologists must be familiar overlapped between UESL, other differential diagnosis regarding