" /> Pyloric stenosis, infantile hypertrophic, 1 - CISMeF





Preferred Label : Pyloric stenosis, infantile hypertrophic, 1;

Symbol : IHPS1;

CISMeF acronym : IHPS; IHPS1;

Type : Phenotype or locus, molecular basis unknown;

Alternative titles and symbols : IHPS; Pyloric stenosis, infantile; Pyloric stenosis, infantile hypertrophic;

Description : Infantile pyloric stenosis is the most common condition requiring surgical intervention in the first year of life. It typically presents in infants 2 to 6 weeks after birth. Clinically the disorder is characterized by projectile vomiting, visible gastric peristalsis, and a palpable pyloric tumor (summary by Everett et al., 2008). Mortality was high until successful treatment by pyloromyotomy was developed by Ramstedt (1912). - Genetic Heterogeneity of Infantile Hypertrophic Pyloric Stenosis Multiple susceptibility loci have been implicated in IHPS including;

Inheritance : Autosomal dominant; Multifactorial;

Molecular basis : Susceptibility conferred by mutation in the promoter of the nitric oxide synthase-1 gene (NOS1, 163731.0001);

Prefixed ID : %179010;

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04/05/2025


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