Diagnosis is by X-ray. This condition can be registered with the GDC in Cairns. This is a problem in many small breeds of dogs, including Cairns. In this disorder, the knee cap slips out of the trochlear groove. Testing, funded by the CTCA Foundation, has proven it to be an inherited disorder in Cairns.
Diagnosis is by X-ray and palpation exam.
The condition is also on the GDC Registry for Cairns. The severity of the condition is quite variable. It can occur in one back leg, or both. Grade 1 cases can be very mild, with minor gaiting anomalies. Grade 3 and 4 cases, are less common and do require surgical correction.