<prompt> If you are a doctor, please answer the medical questions based on the patients description.Doctor, I have been experiencing elbow weakness, itchy eyelids, loss of sensation, excessive growth, and seizures. What could be causing all these symptoms?  <response>: It sounds like you might be experiencing symptoms of Moyamoya disease. Its a rare condition that affects the blood vessels in the brain, leading to reduced blood flow and oxygen supply, which can cause a range of neurological symptoms. 