Catalog

Defective arachnoid villi

No MMS code

Link to WHO Definition

Defective arachnoid villi – http://id.who.int/icd/entity/1982830882

This type of communicating hydrocephalus seen in infants is named Benign External Hydrocephalus. The cause is unclear, but CSF flow studies suggest a disturbance in absorption. This condition usually corrects itself without surgery by 18 months of age.