Heminasal aplasia: a case report and review of the literature of the last 25 years.

We report a child with right-sided heminasal aplasia in combination with anomalies of the right eye and maxilla. Unilateral aplasia of the nose is a rare congenital malformation. It is often associated with other malformations of the facial region, including abnormalities of the eye and lacrimal system, proboscis lateralis, and facial bone malformations.

Localization of Alagille syndrome to 20p11.2-p12 by linkage analysis of a three-generation family.

Alagille syndrome (AGS) or arteriohepatic dysplasia is a rare but well-defined clinical entity that is usually inherited as an autosomal dominant trait. A limited number of patients carry a deletion in chromosome 20p, with 20p11.23-p12.

[Intrauterine invagination in a newborn infant].

Intussusception in neonates is rare. We present a case of neonatal intrauterine intussusception, which was treated by partial colectomy. Differences between neonatal and infantile intussusception are detailed.