Abstract

Until now, no pathologic explanation could be found for the postoperative obstipation occurring in some patients with intestinal aganglionosis. Twenty-two of 108 infants treated for intestinal aganglionosis suffered from postoperative obstipation. Resected material from these 22 patients and from 17 control subjects was investigated with monoclonal anti-neurofilament antibody staining. An abnormal staining pattern was revealed in 18 of the constipated patients. Consequently, this new immunohistochemical staining technic has revealed a hitherto unsuspected cause for postoperative obstipation in aganglionosis. The monoclonal antibody may provide early warning of such postoperative constipation.

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