Sir, my mother, 57 years age IS USING TABLETs FOR HIGH b.p. (lOSAR-h PRESENTLY) SINCE LAST 15 YEARS, DUE TO HEAD ACHE (only left side of head) since one week WE APPROACHED DOCTOR, CT scan reported as GRANULAOMAS IN BILATERAL CAPSULOGANGLIONIC REGION, crp REPORTED NEGATIVE, ESR = 50. What are the causes and suggest treatment.