title: Rhabdomyosarcoma diagnosed by electron microscopy in a child with acute lymphocytic leukemia.
mesh_terms: D002648:Child; D006801:Humans; D007945:Leukemia, Lymphoid / Q000150:complications*; D008297:Male; D008854:Microscopy, Electron; D010386:Pelvic Neoplasms / Q000175:diagnosis* / Q000473:pathology; D012208:Rhabdomyosarcoma / Q000150:complications / Q000175:diagnosis* / Q000473:pathology