Temporary Quiz 2 Flashcards
inappropriate rotation, anomalous pos’n of fixation of Sand L bowel
malrotation
[malrotation] incidence
m=f
[malrotation] normally associated w/ situs invertus (3)
-situs invertus totalis
-situs invertus thoracalis
-situs invertus abdominalis
[malrotation] pathogenesis
due to malformation during organogenesis; aberations in normal process of intestinal rotation in utero
[malrotation] pathogenesis
due to malformation during organogenesis; aberrations in normal process of intestinal rotation in utero
[malrotation] s/s
bilous vomiting, bloody stool, constipation
[malrotation] dx
UGIS
BaE
Sonography
[malrotation] dx golden standard
UGIS
[malrotation] rad’phy appearance - UGIS
deviations from the normal route of contrast in the duodenum (may show gastric torsion)
[malrotation] rad’phy appearance - BaE
evaluate location of cecum
[malrotation] rad’phy appearance - Sonography
if UGIS and BaE is contraindicated - complementary - 3rd part of duodenum is between aorta and SMA
[malrotation] Cx
-volvulus
-incarceration of bowel
[malrotation] Rx
resection anastomosis for complications
Hirschsprung Disease other name
Congenital Aganglionic Megacolon
certain nerve cell are missing from the muscle layer of a part of the LI
Hirschsprung Disease
[Hirschsprung Disease] incidence
1:5000
male predominance
[Hirschsprung Disease] pathophysiology
unknown pathology; linked to manifestation of parasympathetic nervous system
[Hirschsprung Disease] s/s
distended sigmoid
severe constipation
narrow rectum
recurrent fecal impaction
[Hirschsprung Disease] dx
BaE, UTS, CT, MRI
[Hirschsprung Disease] Cx
distended abdomen, constipation
-fecal impaction - toxic megacolon (BaE contraindication)
[Hirschsprung Disease] Tx
Resection + Colostomy