pituitary gland cyst

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My 46 year old brother, battling cardio myopathy, just had another fainting occurence. He has been symptomatic since his 20's, and has a defibrilator(sp?) that works at 99% capacity. Amidst his barrage of symptoms, he has had fainting occurences over the last few years. His most recent one, this past Sunday, led to a CT scan while he was at the hospital. He was told that it looks like a cyst on his pituitary gland, and to follow up with a neurologist. After reading a ton of information on many websites, it sounds more like, get an answer from a specialist, right away. The hospital recommended he wait 3-4 months and have another scan done, to compare the two, to see if it has grown or changed at all. Since many of his symptoms, as a heart patient, are the same as pituitary gland cyst symptoms, I feel that there is a big "red flag" being waved! What should he do at this point?

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CTs don't usually pick up anything on the pituitary unless it is large  so you need to get to a specialist right away and get an MRI (make sure it is dynamic technique) so that the lesion can be properly visualized. CTs are not the best at seeing soft tissues - MRIs are better.

Hormonal testing is the next thing as you need to find out what kind of tumor it is. There are tumors that effect the heart and blood pressure so fainting can be related, or not.

I would see a neuro-endocrinologist.

Somehow this post got missed - sorry for the delay in responding!