Christopher P. Ober
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View article: Extended Survival in a Dog with Primary Bone Hemangiosarcoma Following Treatment with Neoadjuvant Oncolytic Virotherapy and Standard of Care
Extended Survival in a Dog with Primary Bone Hemangiosarcoma Following Treatment with Neoadjuvant Oncolytic Virotherapy and Standard of Care Open
A three year old male neutered mixed breed dog presented with a mass on the right carpus and accompanying lameness. A Jamshidi bone biopsy was performed, and histopathology results were consistent with a sarcoma. The dog received oncolytic…
View article: Relationship Between Quantitative <scp>MRI</scp> and Radiological, Histological, and Biochemical Measures of Intervertebral Disc Health in Client‐Owned, Nonchondrodystrophic‐Breed Dogs
Relationship Between Quantitative <span>MRI</span> and Radiological, Histological, and Biochemical Measures of Intervertebral Disc Health in Client‐Owned, Nonchondrodystrophic‐Breed Dogs Open
Background Client‐owned dogs presenting clinically with intervertebral disc disease (IVDD) are a potential comparative animal model to help advance the understanding of disc degeneration and its treatment. To utilize dog patients as a mode…
View article: Contrast-enhanced and indirect computed tomography lymphangiography accurately identifies the cervical lymphocenter at risk for metastasis in pet dogs with spontaneously occurring oral neoplasia
Contrast-enhanced and indirect computed tomography lymphangiography accurately identifies the cervical lymphocenter at risk for metastasis in pet dogs with spontaneously occurring oral neoplasia Open
For dogs with oral tumors, cervical lymph node (LN) metastasis alters treatment and prognosis. It is therefore prudent to make an accurate determination of the clinical presence (cN+ neck) or absence (cN0 neck) of metastasis prior to treat…
View article: Canine mitral valve size as measured by computed tomography
Canine mitral valve size as measured by computed tomography Open
OBJECTIVE To measure the mitral annulus in dogs. Our hypothesis was that mitral measurement would be possible and consistent among observers using CT. SAMPLE Thoracic CT scans of dogs without known heart disease. PROCEDURES Five trained in…
View article: Factors influencing enhancement timing in a triple-phase abdominal CT angiography protocol in dogs
Factors influencing enhancement timing in a triple-phase abdominal CT angiography protocol in dogs Open
OBJECTIVE To evaluate the enhancement accuracy of a triple-phase abdominal CT angiography (CTA) protocol in dogs and explore the patient, scan, and contrast parameters associated with accuracy of enhancement. ANIMALS 233 client-owned dogs …
View article: Computed tomography radiomic features hold prognostic utility for canine lung tumors: An analytical study
Computed tomography radiomic features hold prognostic utility for canine lung tumors: An analytical study Open
Quantitative analysis of computed tomography (CT) radiomic features is an indirect measure of tumor heterogeneity, which has been associated with prognosis in human lung carcinoma. Canine lung tumors share similar features to human lung tu…
View article: Pure cystine and urate calculi can be clearly visible using survey digital radiography.
Pure cystine and urate calculi can be clearly visible using survey digital radiography. Open
Cystine and urate calculi are considered nonradiopaque to faintly radiopaque. Two canine cases in which these types of calculi are radiopaque and clearly apparent in vivo on survey digital radiography are described. The densities of…
View article: Prevalence and Distribution of Lesions in the Nasal Bones and Mandibles of a Sample of 144 Riding Horses
Prevalence and Distribution of Lesions in the Nasal Bones and Mandibles of a Sample of 144 Riding Horses Open
Restrictive nosebands are used in equestrian sports to hold the bit in place and reduce mouth-opening, a response that can attract penalties in some sports and is thought to reduce the rider’s control of the horse. Sustained pressure from …
View article: Twitter in the Veterinary Diagnostic Imaging Classroom: Examination Outcomes and Student Views
Twitter in the Veterinary Diagnostic Imaging Classroom: Examination Outcomes and Student Views Open
Radiographic lesion identification and differential diagnosis list generation can be difficult for veterinary students; thus, a novel means of distributing cases for study could improve students’ engagement and learning. The goal of this s…
View article: Examination Outcomes Following Use of Card Games for Learning Radiographic Image Quality in Veterinary Medicine
Examination Outcomes Following Use of Card Games for Learning Radiographic Image Quality in Veterinary Medicine Open
Understanding the concepts of radiographic image quality and artifact formation can be difficult for veterinary students. Two educational card games were previously developed to help students learn about factors affecting contrast and blac…
View article: Evaluation of 18-F-fluoro-2-deoxyglucose (FDG) positron emission tomography/computed tomography (PET/CT) as a staging and monitoring tool for dogs with stage-2 splenic hemangiosarcoma – A pilot study
Evaluation of 18-F-fluoro-2-deoxyglucose (FDG) positron emission tomography/computed tomography (PET/CT) as a staging and monitoring tool for dogs with stage-2 splenic hemangiosarcoma – A pilot study Open
Positron Emission Tomography-Computed Tomography (PET-CT) is routinely used for staging and monitoring of human cancer patients and is becoming increasingly available in veterinary medicine. In this study, 18-fluorodeoxyglucose (18FDG)-PET…
View article: Ureteral obstruction secondary to disseminated penicilliosis in a German shepherd dog.
Ureteral obstruction secondary to disseminated penicilliosis in a German shepherd dog. Open
Abdominal ultrasonographic evaluation of a 2-year-old male German shepherd dog evaluated for weight loss demonstrated a right ureteral mass with ipsilateral hydronephrosis, hypoechoic splenic nodules, and hypoechoic and rounded lymph nodes…