Button sequestrum of the skull.
D000328:Adult; D000368:Aged; D001847:Bone Diseases / Q000000981:diagnostic imaging*; D001859:Bone Neoplasms / Q000000981:diagnostic imaging*; D001943:Breast Neoplasms; D002283:Carcinoma, Bronchogenic; D004803:Eosinophilic Granuloma / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D008175:Lung Neoplasms; D008297:Male; D008875:Middle Aged; D009336:Necrosis / Q000000981:diagnostic imaging; D009362:Neoplasm Metastasis / Q000000981:diagnostic imaging; D011859:Radiography; D011878:Radiotherapy / Q000009:adverse effects*; D012886:Skull / Q000000981:diagnostic imaging*; D014394:Tuberculosis, Osteoarticular / Q000000981:diagnostic imaging*