jail bars sign

A term of art referring to the dense osteosclerosis of ribs, which is seen on a plain A-P film of the chest, resulting in horizontal bands fancifully likened to bars in a prison window; first described in agnogenic myeloid metaplasia; it may be seen in sickle cell aaemia and osteopetrosis

jail bars sign

Radiology Dense osteosclerosis of ribs, seen on a plain AP CXR, resulting in horizontal bands fancifully likened to bars in a prison window; first described in agnogenic myeloid metaplasia; it may be seen in sickle cell anemia and osteopetrosis.