Commonest cause of non-communicating hydrocephalus in children is -: (A) Congenital anomaly, (B) Perinatal injury, (C) Post-inflammatory obstruction, (D) Brain tumors
Answer is A. Ans. is 'a' i.e., Congenital anomaly Hydrocephalus o Hydrocephalus is characterized by an increased volume of CSF in association with progressive ventricular dilatation. o Hydrocephalus resulting from obstruction within the ventricular system is called obstructive or noncommunicating hydrocephalus. o Hydrocephalus resulting from obliteration of subarachnoid cisterns or malfunction of the arachnoid villi is called nonobstructive or communicating hydrocephalus.