Is this a possible pituitary adenoma?

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Hello,

I have been experiencing a bunch of symptoms that seem to be something like Cushing’s disease for over a year and have been very ill. I received an MRI that said “on coronal T2 imaging, there is a subtle suggestion of an 8mm round mass in the right posterior pituitary gland. This causes minimal bulge in the right side of the suprasellar cistern. Impression: possible right pituitary tumor.”

So I had a dedicated MRI of the pituitary, in which another radiologist said “no evidence of pituitary macroadenoma or DEFINITE microadenoma.”

My primary care doctor (who ordered the MRI) said that this was proof of no adenoma and that we will pursue something else. Does the phrase “no DEFINITE microadenoma” indicate that it’s not definite but that there is a chance there could still be one? It seems like I may have Cushing’s, and my doctor ordered a CT scan of my adrenal glands to check for tumors based on the results of the Brain MRI. Do you think there needs to be another MRI or does it seem pretty clear from this report that there is no chance of an adenoma? Is it pretty common to show small masses like this and then not to see anything upon a second MRI?

Thanks, everyone!