in addition to these changes , a number of rare features of osteopetrosis are seen , viz : medial and symmetrical metaphyseal cortical defects in the long bones ( 5 cases ) , excessive diaphyseal radiodense periosteal new bone formation ( 5 cases ) , bone-in-bone appearances ( 5 cases ) , and the presence of intracerebral and meningeal calcifications in 7 cases .
C0029454
osteopetrosis
C0262950
bone