Haemophagocytic syndrome in a dog

Haemophagocytic syndrome in a dog
History: A 4 year old female spayed Border Collie mix had a 10 day history of refractory IMHA/ ITP with possible DIC.  She had abdominal effusion which was determined to be a modified transudate.
Gross Lesions:
Icterus of mucous membranes and mesentery. The abdominal cavity contained approximately 100-200 ml of bright orange clear fluid.
The spleen was [...]

Feline Infectious Peritonitis – neurotropic

Feline Infectious Peritonitis- neurotropic
History: A 7 month old female intact DSH kitten had neurologic signs and seizures in the past few months (Along with several others from a shelter).  This particular kitten presented for circling and ataxia.
Gross Findings:
Gross lesions were limited to multifocal petechiae  in the white matter of the cerebellum.
Histopathology:
Brain:  There are moderate numbers of lymphocytes, [...]

Proventricular dilatation in a Cockatoo

Proventricular dilatation in a Cockatoo
History: A male adult Cockatoo had regurgitated.  His feed was changed but continued to regurgitate, and died within a few days.
Gross Pathology:
The bird was very thin with a very prominent keel bone and pectoral muscle atrophy.
The crop and proventriculus were markedly dilated and filled with soft oats. The proventriculus  filled 80% of [...]

Amyloidosis and Diabetes in a dog

Amyloidosis and Diabetes in a dog
History: A twelve year old castrated male Miniature Schnauzer was presented with diabetic ketoacidosis and a 48 hour history of vomiting, polyuria, and polydypsia.   The dog also had a chronic history of urinary tract infection.  The dog died of cardiac arrest.
Gross Lesions: (no gross pictures)
Heart:  Endocardiosis
Lungs:  Diffuse congestion and edema
Eye:  Corneal [...]

Porcine Multisystemic Wasting Syndrome – PCV-2

Whats your diagnosis #3
Porcine Multisystemic Wasting Syndrome – PCV-2
See original post here
History: A feeder pig was found dead in the morning, it was thinner than its penmates.
Gross Necropsy: (no photos)
The lungs were loosely adhered to the thoracic body wall by multiple strands of fibrin. The lungs were diffusely edematous and firm.
The pericardium contained approximately 200 mls of [...]

Uterine Adenocarcinoma in a Rabbit

Uterine Adenocarcinoma in a Rabbit
 
History:  An 11 year old intact female rabbit  had a chronic history of Pasteurella multocida snuffles and head tilt which had resolved.   Her owner noticed she started to have increased abdominal component of respiration which progressed to open mouth breathing.  A mass was palpated in the caudal abdomen during examination. 
 
Gross Necropsy: 
The lungs were almost [...]

Epidural steatitis and vertebral osteomyelitis in a dog

Epidural steatitis and vertebral osteomyelitis in a dog
 
History:  A 1 year old spayed female bulldog mix canine became acutely non-ambulatory, and both rear limbs were hyporeflexive.
Gross Necropsy:
There was a 7 cm x 3 cm x 3 cm abscess in the epaxial musculature of the lumbar spine containing red-brown purulent fluid. The muscles surrounding the abscess including the epaxial and [...]