Abstract
This cross sectional study was carried out in the Department of Radiology and Imaging, Bangabandhu Sheikh Mujib Medical University (BSMMU) along with Department of Paediatric surgery of BSMMU. Total 30 patients were selected purposively. All patients were from 0 to 3 years age. Mean age of the study group was 1.16 ± 1.35 years. In the study series 56.7% were male and 43.3% were female with a male female ratio of 1.3:1. Commonest presenting complaint associated with hydrocephalus was history of poor feeding (93.3%) and irritability (93.3%). 73.3% had reduced activity, 63.3% had drowsiness, 60% had large head, 30% had neck rigidity, 16.7% had fever and 16.7% had vomiting. 73.3% patients had hypoechoic and 26.7% had echogenic ventricular appearance on ultrasonography. Mean (± SD) diameter of lateral, 3rd and 4th ventricle was 24.2(± 4.33) mm, 8.16 (± 2.40) mm and 8.87(± 1.64) mm. Sonographically 73.3% patients had serous fluid and 26.7% had either blood or pus in their ventricles, 70% had aqueductal stenosis. Ultimate diagnosis was made as congenital hydrodrocehalus (36.7%), tumour (33.3%), infection (16.7%) and haemorrhage (13.3%). With the study results ultrasonography can be accepted as an initial imaging modality in the evaluation of hydrodrocehalus in pediatric patient.

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