U.S. flag

An official website of the United States government

GTR Home > Conditions/Phenotypes > Pontoneocerebellar hypoplasia


A rare group of neurodegenerative disorders with a prenatal onset characterized by hypoplasia and/or atrophy of the cerebellum and pons. Involvement of supratentorial structures is variable. Multiple forms have been described based on severity, age of onset and clinical presentation. [from ORDO]

Available tests

28 tests are in the database for this condition.

Check Related conditions for additional relevant tests.

Genes See tests for all associated and related genes

  • Related genesHelp

IMPORTANT NOTE: NIH does not independently verify information submitted to the GTR; it relies on submitters to provide information that is accurate and not misleading. NIH makes no endorsements of tests or laboratories listed in the GTR. GTR is not a substitute for medical advice. Patients and consumers with specific questions about a genetic test should contact a health care provider or a genetics professional.