Acquired Aganglionic Megacolon in a Premature Infant: Report of a Case

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Abstract
Hirschsprung's disease is presumably caused by intrauterine environmental or genetic factors which prevent the migration and formation of the intramural ganglion cell (IMG) in the distal colon. While the IMG is known to be particularly sensitive to anoxemia and other postnatal environmental factors, its selective loss following such stress has not been substantiated in an unoperated patient. The following report of a stressed premature newborn with the clinical and radiographic features of Hirschsprung's disease clearly documents the histologic disappearance of the IMG from the distal colon. CASE REPORT D.J. (#88-65-29), a 1,525-gm male infant, was born to a healthy 22-year-old abortus 0, gravida 1, para 0 mother following an uncomplicated 30-week gestation, ending in a spontaneous uncomplicated delivery.

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