Cephalometric Assessment of the Brain Ventricular System Index Using Computerised Tomography in Sokoto North-Western, Nigeria

Aim: To determine the normal brain ventricular system index of Nigerians using computerized tomography in Sokoto North-Western Nigeria. Study Design: Retrospective cross- sectional. Place and Duration of Study: Department of Anatomy Usmanu Danfodiyo University Sokoto and Department of Radiology Usmanu Danfodiyo University Teaching Hospital Sokoto, between January, 2020 and January, 2022. Methodology: One hundred and seventy-eight normal brain CT scans of subjects from the Radiology Department, whose ages ranged from 1 to 70 years, were recruited for this study. The Bi-frontal and Bi-occipital indices were calculated as ratios of measured distances of the frontal and occipital horns of the lateral ventricles and the transverse intracranial diameter, at the same level, respectively. The brain ventricular system index was then determined by a ratio of the Bi-frontal index and Bi-occipital index. Results: The largest brain ventricular system indexes were 7.83cm and 7.68cm in males and females respectively and these were observed between the age of 2-4years for both sexes. While, the smallest brain ventricular system indexes were 7.47cm in males and 7.29cm in females, which were observed in age group 61-70years for both sexes. Conclusion: This study was conducted to determine the Ventricular Brain System Index and it relation with sex and age in our environment.