Littleberry, diagnosis issues

[littleberry]

Just finished "ultrasound" of Adrenal glands and results are:
Left : length 0.62 c
width 0.64 c

Right: length 1.00 c
width 0.64 c
The vet said it means that the cause is in the Pituitary but she won't need medication for now, as her symptoms are mild.
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LDDS [Dex test] results :

Cortisol Pre ... 13.2 ug/dl
Cortisol 2 ....... 3.1 "
Cortisol 3 ....... 3.6 "

Interpretation of LDDS:

Normal: Cortisol level less than 1.4 ug/dl 8 hrs post-dex

If the 8hr post dex cortisol level is greater than 1.4 ug/dl the following can be used to differentiate pituitary dependent hyperadrenocorticism [PDH] from an adrenal tumor:
1. Cortisol level less than 1.4 ug/dl 4hrs post-dex is consistent with PDH.
2 Cortisol level less than half the baseline level at either 4 or 8 hours post-dex is consistent with PDH.

[if neither of these criteria is met, further testing is needed to differentiate PDH from adrenal tumor Cushings.]
Note" Aprox. 5% of dogs with PDH have normal results. False positives may occur with stress/nonadrenal illness.
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[to be honest the above is somewhat confusing but the vet said the LLDS is positive for Cushings and then the ultrasound test revealed it is Pituitary caused]
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Squirt's Mom, fingers crossed for Squirt's next test !!

[Squirt's Mom]

Thanks, sweetie! I have really been trying not to let myself hope the cortisol is still normal, but it's been no use. There is a great well of hope in my soul. Usually I am one to prepare for the very worst, but this time I can't seem to let myself go there. So I really appreciate the good wishes!

Hugs,
Leslie and the girls

PS. Littleberry is a doll! I love the avatar!