Abstract
IntroductionThis study investigates the use of rectal suction biopsy (RSB) with calretinin immunohistochemical staining (CIS) in patients suspected of having abnormally innervated bowel after pull through operation for Hirschsprung disease (HD). MethodThis study was conducted in Children's Hospital 2, Ho Chi Minh City from January 2015 through June 2016. Patients suspected with abnormally innervated bowel after pull through operation for HD were submitted for a RSB with CIS. Following histological results, the patients underwent an appropriate treatment (redo pull through operation or non-operative medical management) and followed up at least 6 months to evaluate their outcomes. ResultsTen patients were enrolled in our study. The median age was 5.6 (range 1.4–20) years. The diagnosis of normally innervated bowel was made in five patients by showing positive reactivity of CIS on RSB, whereas five others were diagnosed with abnormally innervated bowel. Final diagnosis of the five latter patients was confirmed by analyses of the resected bowel after a redo pull through operation (including 4 cases with residual aganglionosis and one case with transition zone bowel). ConclusionsRSB with CIS is a reliable and simple method for diagnosis of abnormally innervated bowel after pull through operation for HD. Level of evidenceIII Type of studyStudy of diagnostic test (evaluate the effectiveness of a diagnostic test or outcome assessment).
Published Version
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