popcorn calcification

popcorn calcification

Popcorn densities Bone A descriptor for clusters of small scalloped radiolucencies with sclerotic margins seen in the epiphysis and metaphysis of actively growing knees and ankles of children with osteogenesis imperfecta; PC may be due to fragmentation and disordered maturation of the epiphysis with an irregular or defective growth plate, resulting in severe growth retardation Lung A descriptor for the puffed and lobulated appearance typical of a well-circumscribed calcified solitary hamartoma, seen on a plain AP CXR; multiple 'popcorn' nodularities are suggestive of pulmonary histoplasmosis and may be seen on a plain CXR