Dog: Liver. Diffuse hepatic fibrosis, suspect lobular dissecting hepatitis.

Equid, Horse: Skin. Ulcerative and eosinophilic dermatitis caused by herpesvirus.

Equid, Pony: Liver. Necrotizing hepatitis caused by Clostridium novyi group.

Ruminant, Bovine: Liver. Necrotizing hepatitis caused by Fusobacterium necrophorum (Necrobacillosis).

Rodent, Hamster: Liver. Necrotizing hepatitis caused by Clostridium piliforme, Tyzzer's disease.

Ruminant, Ovine (lamb): Liver. Necrotizing hepatitis.

Cat, Kitten: Liver. Necrotizing hepatitis caused by Clostridium piliforme, Tyzzer's disease.

Ruminant, Ox: Trachea. Fibrinonecrotizing laryngotracheitis, infectious bovine rhinotracheitis, bovine herpesvirus.

Ruminant, Farmed Bison: Liver. Necrotizing hepatitis caused by Listeria monocytogenes, Listeriosis.

Rodent, Hamster: Liver. Necrotizing hepatitis caused by Clostridium piliforme, Tyzzer's disease.

Rodent, Hamster: Warthin Starry stain. Necrotizing hepatitis caused by Clostridium piliforme, Tyzzer's disease.

Dog, Puppy: Liver. Intranuclear inclusion bodies in canine infectious hepatitis.

Ruminant, Ox: Nasal cavity, sagittal section and trachea. Infectious bovine tracheitis causing fibrinonecrotizing tracheitis and fibrinous rhinitis.

Equid, Horse: Liver. Necrotizing hepatitis, suspect Clostridium novyi.

Equid, Horse: Liver. Necrotizing hepatitis, suspect Clostridium novyi.

Bird: Abdomen. Granulomatous hepatitis, avian mycobacteriosis.

Ruminant, Bovine (calf): Liver. Mycotic hepatitis.

Ruminant, Bovine (calf): Liver. Mycotic hepatitis.

Other, Wallaby: Liver. Necrotizing hepatitis due to uncultured bacteria.

Cat: Liver. Granulomatous hepatitis caused by Feline infectious peritonitis virus.

Ruminant, Bovine: Liver. Fungal hepatitis.

Other, Goldfish: Spleen, liver, kidney, ovary and coelomic peritoneum . Disseminated granulomas (granulomatous hepatitis, splenitis, nephritis, oophoritis and peritonitis), multifocal to coalescing. Etiology: Disseminated mycobacterial infection with Mycobacterium marinum and Mycobacterium fortuitum. .

Ruminant, Ox: Mammary gland. Proliferative mammillitis, either bovine papular stomatitis virus or herpesvirus.

Ruminant, Ox: Trachea. Infectious bovine rhinotracheitis, herpesvirus.