paget diseasemedical dictionary

<radiology> Disease of unknown aetiology involving destruction and reparation, age greater than 40y; M:F 2:1, skull, osteoporosis circumscripta (outer table destroyed only), cotton wool appearance, increased hat size!, spine, monostotic vertebral involvment usually, pelvis, affected in 2/3 cases, consists of cortical thickening, enlargement of pubis/ischium, coarse trabecular pattern, extremities, blade of grass appearance, elevation of alk phos (up to 20X), normal calcium, normal phosphorus, complications: path fractures in 8% cases (usually femur = shepard's crook), malignant degeneration (usually osteosarcoma-50%, fibrosarcoma-25%)

(12 Dec 1998)