title: Pseudomalignant osseous tumour of soft tissue: report of two cases.
mesh_terms: D000009:Abdominal Muscles; D000293:Adolescent; D000328:Adult; D001859:Bone Neoplasms / Q000175:diagnosis* / Q000473:pathology; D002081:Buttocks; D002648:Child; D003937:Diagnosis, Differential; D005260:Female; D005266:Femoral Neoplasms / Q000175:diagnosis / Q000473:pathology; D005347:Fibroblasts; D006801:Humans; D008297:Male; D008663:Metacarpus; D008875:Middle Aged; D009999:Ossification, Heterotopic / Q000175:diagnosis* / Q000473:pathology; D012516:Osteosarcoma / Q000175:diagnosis* / Q000473:pathology; D013848:Thigh