Retinoblastoma and Hirschsprung disease with a 13q14 to 22 deletion.

Hirschsprung disease, bilateral retinoblastoma, and craniofacial dysmorphism with an interstitial deletion of chromosome 13 is a rare gene deletion syndrome that has twice before been described in white children. The authors present the third report of such a case in a South African child of Indian-Asian descent.