Neurosarcoidosis

We report a case of neurosarcoidosis in absence of pulmonary features. it is estimated that less than 1% of patients have an isolated cns involvement, without systemic evidence of disease. this case also had an unusual clinical presentation. a 28 years old female, presented with headache for 6 months. her mri brain showed multiple ring enhancing lesions in the left cerebellum and vermis. patient underwent posterior fossa craniotomy with biopsy of left cerebellar lesion which revealed non-caseating chronic granulomatous inflammation, consistent with sarcoidosis.