Articles by Carl A. Osborne, DVM, PhD, DACVIM - DVM
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Articles by Carl A. Osborne, DVM, PhD, DACVIM

How would you manage cystine urocystoliths in a female Siamese cat?

Feb 1, 2003

Recently a colleague in private practice asked me for advice about how to treat cystine bladder stones formed by a 5.5 year-old, spayed female Siamese cat. Although textbooks that he consulted contained information about cystine urolithiasis in dogs, he was unable to find recommendations for this disorder in cats. How would you manage this case?

Three steps to feline urinary incontinence management: Diagnosis, diagnosis, diagnosis

Jan 1, 2003

Normal urinary continence. Micturition may be defined as function of the lower urinary tract that encompasses both a storage phase and a voiding phase. During the storage phase of micturition, the urinary bladder, acting as a low-pressure reservoir, is relaxed and fills with urine.

Renal biopsies: What are some benefits and risks

Dec 1, 2002

Recently, a colleague in private practice asked my opinion about the likely benefit of obtaining an ultrasound-guided percutaneous needle biopsy of the kidney of an azotemic, isosthenuric, 8-year old domestic shorthair cat. She indicated that evaluation of a serum chemistry profile, hemogram and urinalysis revealed findings consistent with idiopathic chronic renal failure.

Join the '51 percent club':Benefit from helper's high

Sep 1, 2002

How do your clients respond when you and your staff have gone the extra mile to provide care for their beloved animal companions?

Nephroliths in a cat: What is your diagnosis

Jul 1, 2002

An 8-year-old spayed female domestic shorthair cat was referred to the University of Minnesota Veterinary Teaching Hospital for evaluation of bilateral nephroliths associated with persistent gross hematuria.

Are you an advocate of your patient's therapeutic rights?

Jun 1, 2002

In the April issue of DVM Newsmagazine (p. 48) we considered application of seven diagnostic axioms with the goal of enhancing patient care.

How common are urate uroliths in female Dalmatians?

May 1, 2002

Recently, I received a letter from an inquisitive Dalmatian owner which stated in part:

"I have a 9-year-old female Dalmatian that has been diagnosed with a urinary tract infection because of red blood cells found in urine aspirated from her urinary bladder during an annual physical exam. She does not have a problem urinating and her urine appears very clear; it is not bloody. My vet has tried two types of antibiotics (cephalexin first and trimethoprim-sulfa three weeks later). Even though her urine is not bloody, red blood cells are still present in the urinalysis. My vet also prescribed a special diet to prevent urate stones from forming even though no crystals were found in her urine. Is there a probability of urinary stones even though there are no crystals in her urine? Is the urinary tract infection persisting because of stones?"

Misdiagnosis by intuition

Apr 1, 2002

Most would agree that a correct diagnosis is a key prerequisite to providing safe and effective treatment for various illnesses. However, our diagnoses are often a matter of opinion rather than matter of fact.

Recurrent vomiting in a dog, what's your diagnosis?

Feb 1, 2002

A 4-year-old female Rottweiler named Twice is admitted on an emergency basis to your hospital with an owner's complaint of substantial depression, anorexia and vomiting of three days' duration.

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