Diagnosis of Hirschsprung disease (HD) is quite entirely based on the histopathological analysis of suction rectal biopsies.This hematoxylin and eosin approach has some limitations, despite the help of acetylcholinesterase staining. pathologist. [...] Calretinin immunohistochemistry overcomes most of the difficulties encountered using the combination of histology and acetylcholinesterase staining, and detects almost all cases of HD with confidence, with no false positives.
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