MRI EVALUATION OF ORBITAL PATHOLGIES

Abstract

Background: Imaging plays an important role in the evaluation of orbital diseases especially neoplasms. USG and CT remained as primary imaging modalities for most of suspected orbital neoplasms. However, use of MRI is especially valuable for assessing its extent. Precise descriptions of lesion location, involved orbital compartments, spread to orbital apex, perineural and intracranial spread and also provide information beyond what can be seen by fundoscopy, thus facilitates appropriate treatment. Materials And Methods: The present study is a hospital based cross sectional study on 100 patients who were requested MRI for various signs and symptoms of orbital pathologies over 2 years' period. Out of 100 patients, Maximum patients we Results: re found amongst the age group of 41 to 50 years with frequency 27 (27 %) while least number of cases recorded in age group >70 years was 3 (3 %). There was equal distribution of various orbital pathologies among both males(50%) and females(50%).Maximum (77%) cases were unilateral and (23%) cases were bilateral. Maximum patients 52(52%) had secondary orbital involvement while 48(48%) had primary orbital involvement. Maximum 65(65%) patients had orbital pathologies conned to single compartment and 35(35%) patients had multispatial involvement both of which were predominantly unilateral. Amongst unicompartmental pathologies maximum patients had exclusively extraconal involvement. Nature wise maximum cases were infective / inammatory (52%) which were predominantly unilateral. Least cases were endocrine/ systemic and vascular in nature accounting (2%) each. MRI is an excellent imaging modality for comprehensive assessment Conclusion: of various orbital pathologies thereby, allowing the clinician regarding further management, prognosis & follow up