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Brain tumors are a heterogeneous group of benign and malignant tumors. Preoperative radiological assessment is vital in understanding the extent of disease invasion and planning surgical management. This study is to analyze the role of DTI in assessing the different patterns of white matter involvement in patients with brain tumors. Material and methods: A retrospective study was conducted in thirty patients with brain tumours who had undergone both conventional and diffusion tensor imaging. Based on the imaging, the white matter tracts surrounding the tumours were characterized as either displaced or infiltrated. All the medical records of the people diagnosed with brain tumors between February 2018 to February 2019 were reviewed. Results: A total of 30 subjects were included. The proportion of subjects with low grade and high-grade gliomas was 53.3% and 46.7% respectively. Diffusion tensor imaging had shown invasion in 17 (56.7%) of the subjects. Total resection was done in 17 (56.7%) of the subjects and the remaining 13 (43.3%) underwent subtotal resection. The incidence of all the postoperative complications was higher among subjects with invasion shown in DTI, but none of the differences have shown statistically significant differences. Conclusion: Diffusion tensor imaging is a very useful tool in the pre-operative assessment of white matter involvement in cerebral tumors. The people with invasion shown in pre-operative assessment are more likely to have post-operative neurological deficit.

A Retrospective Study on Role of DTI in Brain Tumours