Muscle cyst in a Chinook Salmon Case information Eight large adult Chinook salmon (Oncorhynchus tshawytscha) presented to the Fish Disease Control Unit at Cornell University, captured by the Salmon River Fish Hatchery (Altmar, New York, USA) and the New York State Department of Environmental Conservation from Lake Ontario, during the spawning season (October to December) […]

Kidney mass in a dog Case information An 8-year-old spayed female white Husky presented to the referring veterinarian for evaluation of inappropriate urination. A mass in the left kidney was identified and the dog was referred to the Cornell University Hospital for Animals for further evaluation and treatment options. On physical examination, the patient was

Vitreous humor from a horse Case information A 16 year old Icelandic horse gelding presented with a two month history of periocular and perioral alopecia, generalized pruritus, hypersensitivity to touch, weight loss and bilateral uveitis leading to recent blindness. The patient was treated prior to presentation with topical 1% atropine, topical 0.1% dexamethasone ophthalmic and

Blood and bone marrow smears from a steer Case information An 8 month old Holstein steer presented with bloat and lethargy. On physical examination, there were petechial hemorrhages on the gums and tongue. Abnormal eructation sounds were noted during the examination. A CBC was performed with results summarized below (Table 1), including images from the

Nasal mass in a cat   Case information A 12 year-old, female spayed, domestic shorthair cat was presented to the Cornell University Hospital for Animals for a recheck examination for worsening nasal congestion. The cat historically had episodic nasal congestion for 3 years, which responded to treatment with azithromycin. Over the past seven months, the

Perilimbal mass in a horse   Case information A 6 year-old male castrated Quarter Horse from Montana was presented to the submitting veterinarian in Kansas for a mass on the right eye that the owner believed had been present since the horse was purchased eight months ago. On the right eye, the mass arose from

Photomicrographs of a urine sample from a dog   Case information A 6 year old castrated male Akita presented with a one year history of persistent polyuria and polydipsia, that was unresponsive to antibiotic (Amoxicillin) treatment. The dog was difficult to examine, but appeared painful on abdominal palpation. Ultrasonographic imaging showed a diffusely thickened bladder

Photomicrographs of a fine needle aspirate from a femur mass in a dog   Case information A 6 year old spayed female Labrador Retriever presented with a 2 month history of intermittent left hind limb lameness and a one day history of edema in that limb. Treatment with non-steroidal anti-inflammatory and pain-relieving drugs resulted in

Photomicrographs of a fine needle aspirate of an adrenal mass in a ferret   Case information The patient, a six year-old male castrated ferret, presented with a 1.5 month history of progressive, pruritic alopecia that started on the tail and spread to other areas of the body. The patient had a history of chronic pruritic

Photomicrographs of blood smear from a red-tail boa   Case information A 5 year old male red-tail boa (boa constrictor) presented for weight loss. The snake had been completely inappetent for 6 to 7 months. The veterinarian submitted blood and feces to the Animal Health Diagnostic Center, associated with Cornell University, for a CBC and