title: Primary liposarcoma of the mastoid.
abstract: A unique case of liposarcoma of the mastoid in a 4-year-old child presenting as acute mastoiditis and subperiosteal abscess has been reported.
mesh_terms: D000038:Abscess / Q000175:diagnosis; D000208:Acute Disease; D002675:Child, Preschool; D003937:Diagnosis, Differential; D005158:Facial Paralysis / Q000150:complications; D005839:Gentamicins / Q000627:therapeutic use; D006097:Granulation Tissue; D006801:Humans; D008080:Liposarcoma / Q000175:diagnosis / Q000473:pathology; D008297:Male; D008416:Mastoid / Q000382:microbiology / Q000473:pathology; D008417:Mastoiditis / Q000175:diagnosis; D010521:Periosteum; D011550:Pseudomonas aeruginosa / Q000302:isolation & purification
chemical_list: D005839:Gentamicins