beak sign

beak sign

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

Bone A finding in a lateral spine film in patients with mucopolysaccharidoses and mucolipidoses, characterised by a bird-beak-like tapering of the anteroinferior or anterosuperior margin of the lumbar vertebrae; a ‘beak’ is also described in the medial aspect of the proximal tibia at the epiphyseal plate in Blount’s disease or coxa vara—functional correction may require osteotomy
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