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appearance of the distal esophagus, on a contrast esophagram, in achalasia; also used to describe the proximal pyloric canal on upper GI series in congenital pyloric stenosis.
Farlex Partner Medical Dictionary © Farlex 2012
Kidney A fanciful term referring to a gently curved outward bulging of the renal cortex, adjacent to a well-circumscribed renal mass in the late or nephrogram phase of selective renal angiography, indicating the presence of a slowly expanding, usually benign avascular renal cyst with smooth inner walls, typically seen in arterionephrosclerosis, but also in renal cell carcinoma
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
beak sign(bēk sīn)
Appearance of the distal esophagus, on a contrast esophagram, in achalasia; also used to describe the proximal pyloric canal on upper gastrointestinal series in congenital pyloric stenosis.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012