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Arch. Pathol. Lab. Med. · Dec 1982
Acetylthiocholinesterase staining activity of rectal mucosa. Its use in the diagnosis of Hirschsprung's disease.
- A B Hamoudi, C B Reiner, E T Boles, H J McClung, and B Kerzner.
- Arch. Pathol. Lab. Med. 1982 Dec 1; 106 (13): 670-2.
AbstractIncreased acetylthiocholinesterase (AchE) reactivity in the rectal lamina propria and lamina muscularis mucosae was used to diagnose Hirschsprung's disease. We processed 131 specimens with the AchE reaction; 43 were suction biopsy specimens and the rest were full-thickness specimens. Of the 68 specimens in which neurocytes were present, none demonstrated a diffuse increase in the number of nerve fibers. However, 15 showed focal increases in the numbers of fibers that were not large enough to be regarded as indicative of Hirschsprung's disease. All patients with a diffuse increase in nerve fibers, regardless of the type of biopsy, were shown to have Hirschsprung's disease. The AchE staining reaction did, however, produce a 29% rate of false-negative reactions (16 of 56 specimens) in patients with Hirschsprung's disease. These data demonstrate that an abnormal pattern of AchE reaction is diagnostic of aganglionic megacolon, whereas a normal pattern does not exclude the disease.
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