Brain on Tamoxifen: I'm assuming that you're not actually taking the pill during the MRI as any movement would throw off the images and render them unreadable. In that case, taking tamoxifen shouldn't affect structural appearance just function eg trick brain into thinking not enough estrogen around so it then pumps out more lh & fsh to make more testosterone. Better question to ask is why MRI is warranted.
Answered 6/10/2014
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