| Kidney
mycosis |
| Agent |
Exophiala
spp. (E salmonis, E. psychrophila)
|
| Hosts |
Atlantic
salmon, lake trout, but also other cultivated
species. |
| Location |
Kidney
interstitium and nephrons. |
| Type
of lesion |
Granulomatous
with extensive proliferation of macrophages
and multinucleated giant cells. |
|
Special features |
Hyphae
stain poorly with standard H&E, but are easily
demonstrated in PAS-stained sections. |
| Diagnosis |
Demonstration
of hyphae in granulomatous lesions (PAS) and
the isolation and characterization of the causative
agent in culture. Differential diagnosis include
BKD and mycobacterial infections. |
