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Is weight gain and hot flashes normal after pituitary tumor removal?


Posted by sundaychild

I had a pituitary macroadenoma removed in February.  Ever since then, I've been plagued with hot flashes, weight gain, and fatigue.  I have hypothyroidism and suffer from post traumatic stress.  I have an appointment with an endocrinologist on August 10th.  Could you please give me a "heads-up" about what I'm going through right now?
 
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I'm a bit late answering your post so I hope you've been treated appropriately by your endocrinologist.  Your pituitary controls a number of other hormone producing organs and as such, is often referred to as the master gland.  

 

In the process of removing your macroadenoma which could also affect those other glands by crowding out their controllers, you might have also lost control of your thyroid and sex organs.  You didn't mention your sex (not that I can read) but hot flashes are more common in women (although they do occur in men, too).  

 

 If your post-operative pituitary can't send enough signal to your thyroid, you could gain weight from becoming hypothyroid (underactive thyroid).  In this situation, due to damage of your pituitary, your thyroid stimulating hormone (TSH) would most likely be very low, which typically suggests hyperthyroidism.  Your endocrinologist can run some tests to prove that your thyroid is functioning but your pituitary isn't.

 

If your post-operative pituitary can't send enough signal to your ovaries, you could develop hot flashes.  In this situation, due to damage to your pituitary, your LH & FSH would most likely be very low, which typically suggests an extraneous or outside source of sex hormones.  Your endocrinologist can run some tests to prove that your ovaries are functioning but your pituitary isn't.

 

Good luck! 

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