Nodular panniculitis with hypercalcaemia in a young dog
An 18 month old crossbreed was presented with a two month history of intermittent pyrexia and malaise. Recently he had become polyuric/polydipisc and hypercalcaemia was detected.
His ultrasonography is striking:
This is an area of retroperitoneal fat:
There are numerous small, discrete hyperechoic nodules. And the same is true for his subcutaneous fat this is an oblique view across the subcutis behind his scapulae:
Nodular panniculitis was diagnosed on histopathology. Investigations for poss infectious agents continue but it seems likely to be immune-mediated. Pancreatitis is another possible cause but his looks fine:
And all other viscera appeared ultrasonographically unremarkable.
Both hyper- and hypocalcaemia have been reported in association with panniculitis.