The diagnosis of congenital megacolon is confirmed by
Correct Answer: Rectal biopsy
Description: -Biopsy from all three zones to study the ganglions and hyperophic nerve terminals in spasmodic segment. Staing from 2 cm above the dentate line, a full thickness rectal biopsy is ideal. * Barium enema is done to look for the extent of disease and three zones. Foley's catheter should not be used while doing barium enema in case of Hirschsprung's disease * Anorectal manometry--shows the absence of rectoanal reflex in Hirschsprung's disease, which is diagnostic. * Acetylcholine esterase staining shows hyperophied nerve bundles. ref:SRB &;s manual of surgery,ed 3,pg no-819
Category:
Surgery
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