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Clinical data, thoracic radiographs, ultrasonographic exams, and histopathologic reports in 13 dogs and two cats with confirmed lung lobe torsion were reviewed. Age of dogs ranged from 4 months to 11.5 years, (mean of 6.4 years) and several breeds of large and small dogs were represented. Right middle lobe torsion was predominant in large dogs (five of(More)
AIMS This article reviews the incidence, etiology, diagnosis, treatment and prognosis of mammary tumors in cats. PRACTICAL RELEVANCE Approximately 80% of feline mammary masses are malignant, with adenocarcinoma being the most common tumor type. Early diagnosis is, therefore, essential to improve the prognosis and quality of life of affected cats. (More)
Effective teaching of veterinary radiology can be challenging in a traditional classroom environment. Audience response systems, colloquially known as "clickers," provide a means of encouraging student interaction. The purpose of this study was to compare student performance and course evaluations before and after using the Classroom Performance System™ in(More)
Magnetic resonance imaging (MRI) is increasingly being used in the diagnosis of central nervous system disorders in veterinary patients and is quickly becoming the imaging modality of choice in evaluation of brain and intracranial disease. This article provides an overview of the basic principles of MRI, a description of sequences and their applications in(More)
Myelography and/or computed tomography (CT) are commonly used to evaluate acute intervertebral disk extrusion in chondrodystrophic dogs. The purpose of this study was to evaluate the sensitivity of myelography and two different CT protocols in determining level and lateralization of acute thoracolumbar intervertebral disk extrusion in comparison with(More)
OBJECTIVE To investigate topographic and age-dependent adaptation of subchondral bone density in the elbow joints of healthy dogs by means of computed tomographic osteoabsorptiometry (CTOAM). Animals-42 elbow joints of 29 clinically normal dogs of various breeds and ages. PROCEDURES Subchondral bone densities of the humeral, radial, and ulnar joint(More)
A 6-month-old male bilaterally cryptorchid Boxer was examined for acute abdominal pain. The results of physical examination, laboratory testing, and ultrasonographic examination are presented. Intra-abdominal testicular torsion was suspected and confirmed at surgery. No evidence of neoplasia was found at histopathologic examination of the twisted testicle.(More)
The purpose of this study was to compare half-Fourier-acquisition single-shot turbo spin-echo (HASTE) and T2-weighted (T2-W) sequences in dogs with thoracolumbar disc extrusion. MRI studies in 60 dogs (767 individual intervertebral disc spaces) were evaluated. Agreement between T2-W and HASTE sequences was assessed for two criteria: presence of an(More)
Diuretic renal scintigraphy is commonly used in human medicine to differentiate obstructive from nonobstructive pyelectasia. In order to determine normal parameters, 99mTc-DTPA renal scintigraphy was performed twice in 20 healthy adult Mongrel dogs. Each dog was injected with either 3.0 mg/kg furosemide or an equivalent volume of saline 4.5 min following(More)
This study evaluated the results of diuretic renal scintigraphy in dogs with urolithiasis. Eighty-three kidneys with nephroureterolithiasis +/- renal pelvis/ureteral dilation were included in the study. Sixty-three kidneys showed a non-obstructive pattern, with a steep drop or gradual downward slope of renal time-activity curve (TAC). Excretion half-time of(More)