Updated On September 23rd, 2025
Pet's info: Dog | Miniature Schnauzer | Male | neutered | 11 years and 6 months old | 19 lbs
Dr. Summer field I answered my question about diagnosing Cushing for my dog. After 4 blood tests and 3 ultrasounds both were inconclusive. She mentioned other tests to try to get a definitive diagnosis but didn’t mention any. What other tests can be done for confirmation. Thank you. Rob Hawkins Florida
1 Answer
Published on October 25th, 2019
Hi there. It would help to know what specific tests have been done so far. The most common test used to diagnose Cushing's disease is called a low-dose dexamethasone suppression test (LDDST), but an ACTH stim test or urine cortisol/creatinine ratio can also be used in some cases, especially if initial LDDST results are inconclusive. I'm not sure what was found on her ultrasound exams, so I can't comment on that without more information. But if she hasn't had an ultrasound done by a board-certified radiologist, this would be a reasonable next step to consider. Since getting a diagnosis has been such a challenge for your pup, I would consider requesting referral to an internal medicine specialist at this point. He/she can evaluate Hanz, go over all of his previous testing and lab results in detail, and help you determine the best way forward from here.
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