Dear Arun, Can you please tell why the CT Scan was taken Had the CT scan been taken for some other reason (eg cricket ball hitting the head) our approach would be different Or Had it been taken for complaints like headache, vomiting, our approach will be different - Arachnoid chat cannot be cured with medications If it is causing problems, we need to do surgery

Hello Arun, Sorry to hear this. Arachnoid cyst is a benign, non cancerous fluid filled space in the back of your head.If left alone they can increase in size and can potentially cause pressure on the surrounding normal brain. This is a easily treatable condition, since the cyst is superficial in location and amenable to surgery.Thus is completely curable. Unfortunately it cannot be treated with medications.Surgery is the only definitive cure. You can upload the CT images and we can discuss this further. Best wishes.