LA06.1 Hypoplasia or agenesis of cerebellar hemispheres

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2024-01

Cerebellar hypoplasia corresponds to underdevelopment of cerebellar structures that can involve the vermis and/or the cerebellar hemispheres from partial to total agenesis. It has been described in the context of various clinical entities: chromosomal anomalies, in utero exposure to toxins and infectious agents, metabolic disorders (disorders of glycosylation and CoQ10 deficiencies), and a wide variety of rare genetic neurological diseases. It can be confined to the cerebellum, or affect other CNS structures: the midbrain (molar tooth syndromes), pons and medulla (ponto-cerebellar hypoplasia), cerebral cortex (lissencephaly cerebellar hypoplasia syndromes).

exclusions

• PHACE syndrome  (LD2F.1)

synonyms

• Hypoplasia or agenesis of cerebellar hemispheres
• Isolated unilateral hemispheric cerebellar hypoplasia
• Isolated bilateral hemispheric cerebellar hypoplasia

Thank you for choosing Find-A-Code, please Sign In to remove ads.