COMPARATIVE STUDY
JOURNAL ARTICLE
Enterocolitis associated with Hirschsprung's disease: a clinical histopathological correlative study.
Journal of Pediatric Surgery 1995 July
Enterocolitis associated with Hirschsprung's disease (HEC) remains a major source of morbidity and even mortality, both before and after definitive surgical treatment. This study was undertaken to investigate whether histopathologic mucosal changes, in the absence of clinical manifestations of HEC, could predict the subsequent development of this complication. The clinical data and histopathology of 25 patients who eventually developed clinical HEC were compared with a control group of 25 age- and sex-matched patients with Hirschsprung's disease (HD) but with no clinical HEC either preoperatively or postoperatively. The histopathologic findings of tissue obtained by rectal biopsy or during laparotomy were graded from 0 to V according to severity and compared with the eventual clinical course. This study showed that (1) histopathologic findings of HEC appear to predict the clinical development, but not the severity, of future episodes of clinical HEC; (2) a histological grade of > or = II (> or = 2 crypt abscesses per high power field) should raise suspicion for subsequent occurrence of HEC, whereas a grade of > or = III (multiple crypt abscesses) places a child at high risk for development of clinical HEC; and (3) contrary to what is generally thought, histopathologic changes of HEC occur in both ganglionic and aganglionic segments. Based on these findings, it is recommended that histopathologic documentation of HEC and its grade should be an integral part of the tissue diagnosis of HD.
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