Items tagged “refs1”

Aphthoid ulcers are shallow ulcers of the gastrointestinal mucosa. Pathology Etiology infective inflammatory conditions Yersinia enterocolitis amoebic enterocolitis cytomegalovirus enterocolitis noninfective inflammatory conditions Crohn disease idiopathic granulomatous gastritis vascu...

Solid periosteal pattern is thought to evolve from single layer and multilayered periosteal reactions, forming a solid layer of mature new bone adjacent to the cortex. It denotes a longstanding pathological process. Differential diagnosis osteoid osteoma osteomyelitis osteosarcoma chondrosa...

The figure 3 sign is seen in aortic coarctation and is formed by prestenotic dilatation of the aortic arch and left subclavian artery, indentation at the coarctation site (also known as the "tuck"), and post-stenotic dilatation of the descending aorta. On barium studies of the esophagus in pati...

The reverse figure 3 sign (also known as the E sign) is seen on barium swallows in patients with coarctation of the aorta and is the medial equivalent of the figure 3 sign seen on plain chest radiographs. It is formed by prestenotic dilatation of the ascending aorta, indentation of the coarctati...

Persistent nephrograms occur when intravenous contrast media is retained by both kidneys for more than 3 minutes. Terminology Persistent nephrograms are characteristically bilateral and are usually distinguished from delayed nephrograms, which occur unilaterally.  Pathology Etiology sy...