I wouldn't get too worried.
Radio contrast media for the X-Ray will not affect anything, and you will be under a Radiologists care while you are having it. Increases in Oestrogen can be due to a lot of things, one is an adrenal gland tumour, these are comparatively rare in a person of your age, and in most cases at your age very treatable. The chances you have one are low. Most people with an adrenal tumour do not know they have one they are usually picked up secondarily to hormonal assays.
Acute mind blanking pain in the abdomen that goes away after a while is a good description of passing a kidney stone. I have had the little buggers and the pain can be beyond belief. Unless they are very large they cause little damage to the kidney, and even large ones are usually removed easily. One of the current treatments is to put you in a 'bath' sonicate the stone to pulp, fill you full of pain killer and let you wee the bits out.
The pain is usually associated with the stone entering the ureter and then being passed through the urethra, this is were girls win for once as their urethra is shorter than a males and girls don't have the Glans at the end for extra 'fun' of passing the stone. Blood in the urine as in red urine is a poor indicator of passing stones, you can see RBC's without the red colour (haemaglobuin) in most patients.
Does this stop HRT? Not in itself. High E2 levels will slow down most endocrinologists from proceeding with Oestrodiol in compound form, such as Prognova, as it (they) are processed through the liver and high maintained E2 may be due to liver damage. So in that case endos tend to suggest straight oestrodiol implants. These are not common in the USA for some reason but in Australia they are (where I am), straight oestrodiol is not metabolized in the liver before it acts on the hormone receptors so it can be effective in people with liver problems or those who have high E2 for unknown reasons.
As far as anti-AAs the two most common are Spironolactone and Andorcur. They work in different ways but are both effective anti-AAs. They have different side effects and that is what the Endo usually looks at for prescription. To put it simply Ando has a well known side effect of causing or synergising with depression, if you suffer from depression and are on depression medication let you Endo know. Spiro has an effect on blood pressure and tends to reduce it, it was developed as a blood pressure medication, so again your medical history is important for your Endo to give the right anti-AA.
Do you need an anti-AA? This is commonly forgotten. Many, no I don't have the reference handy, MtF have very low levels of T after they go on Oestradiol compounds. This is because they increase the thingy called SHBG, sex hormone binding globulin, which removes T from the body and so decrease androgen levels. If the level is low enough going on anti-AAs is a total waste of time and money. You don't have enough androgen to suppress. We need a level of androgens (T) to keep a sex drive going and to allow calcium absorption etc. If you don't you may develop fragile bones, one reason to make sure your Vitamin D levels are OK. Without Vit D you don't absorb calcium.
So where does this leave us? Go to a good medical team that know about this stuff, Sweden has an excellent medical system so trust them and now you should be able to ask them questions.
Hugs
Cindy
