a rediological appearance due to obstruction of stomach&prox.doudenum
causes:
1-congenital doudeneal obstructio:
*doudeneal atresia
*doudeneal webs
*doudeneal stenosis
2-midgut volvolus
3-common in downs syndrome
4-ecternal compression of doudenum:
*choledochal cyst
*mesenteric duplication cyst
*intraluminal doud.haematoma
*predoudeneal portal vein
*annular pancrease
*superior mesenteric artery synd…warm regards