title: Pyomyositis mimicking soft tissue neoplasm in a child.
mesh_terms: D000009:Abdominal Muscles / Q000473:pathology*; D002675:Child, Preschool; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D009220:Myositis / Q000175:diagnosis*; D012983:Soft Tissue Neoplasms / Q000175:diagnosis*; D014463:Ultrasonography