COTM

Smear from a biopsy of a brain mass in a dog Case information A 4 year old female spayed boxer was presented for a 2 day history of cluster seizures. The owner reported that the seizures first started as multiple focal facial seizures, including foaming at the mouth and chomping. On the day of presentation, the […]

Tracheal wash from a cow Case Information Approximately 90% of the cows in a herd of 65-70 Holstein cattle in upstate New York were affected with an acute onset of severe coughing and dyspnea, which rapidly spread through the herd. Many of the cows were treated with penicillin G followed by ceftiofur antibiotics for presumptive

Chronic uveitis in a dog Case information A 3 year old spayed female Pomeranian was presented for a 7 month history of conjunctival hyperemia and blepharospasm in the right eye (OD) that improved after topical corticosteroid treatment, but recurred within weeks of discontinuation. On ophthalmologic examination, the right eye had conjunctival hyperemia, diffuse corneal edema, ciliary flush, trace

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