This article reviews the normal anatomy of the Cavernous sinus (CS) and the imaging findings of different lesions involving it. CS lesions may arise from different components of the CS or from adjacent structures and spaces. They can be classified as neoplastic, inflammatory, infectious, vascular and congenital. MRI is the imaging modality of choice and helps in differentiating different pathologies and come to a single best diagnosis.CT helps in identifying aneurysms and bone involvement better in selected cases. These lesions are more commonly seen in the older age group and in the female gender. Meningiomas,Schwannomas,meningitis and pituitary macroadenomas are the common lesions encountered in this study.Cavernous angioma ,perineural spread from nasopharyngeal carcinoma are the few rare cases seen