| Nephrocalcinosis |
| Agent |
None |
| Hosts |
Especiallyr
rainbow trout, brook trout, otller species may
be affected (e.g. turbot). |
| Location |
Primarily
ureters, collecting ducts and distal tubules.
May ascend tile mnephron and also affect kidney
interstitium. |
| Type
of lesion |
Chronic,
granulomatous response. Distension of tubules
and ducls that may be filled with a caseous
material. Fibrosis. |
|
Special features |
Granulomas
with casous centres may also be seen in gastric
mueosa and gut wall. Similar lesions are seen
in the condition ealled visceral granuloma in
several species. |
| Diagnosis |
Calcium
deposits are usually deeply basophilie and may
be demonstrated by means of the von Kossa stain.
Differential diagnosis: Kidney fluke. |
