Morphological Patterns of Intracranial Lesions in a Tertiary Care Hospital in North Karnataka: A Clinicopathological and Immunohistochemical Study.

Introduction: An "Intra-cranial space occupying lesion" (ICSOL)is defined as a mass lesion in the cranial cavity with a diverse aetiology like benign or malignant neoplasm, inflammatory or parasitic lesion, haematoma, or arterio-venous malformation. Central nervous system neoplasms represent a unique, heterogenous population of neoplasms constituting 1.9% of all malignant tumours in India.