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OBJECTIVE To describe anatomy of the orbits as revealed by computed tomography (CT) in different scan planes, determine the most useful scan plane for imaging the eye, optic nerve, and extraocular muscles, and compare image quality of direct CT images with reconstructed images obtained from 2-mm-thick and 5-mm-thick transverse images. ANIMALS 9 dogs with(More)
OBJECT The aim of this study was to determine prognostic factors for outcome after transsphenoidal hypophysectomy in dogs with pituitary-dependent hyperadrenocorticism (PDH). METHODS One veterinary neurosurgeon performed transsphenoidal hypophysectomies in 181 dogs with PDH over a 12-year period. Survival analysis was performed with the Kaplan-Meier(More)
Diffuse idiopathic skeletal hyperostosis (DISH) is a systemic disorder of the axial and peripheral skeleton in humans and has incidentally been described in dogs. The aims of this retrospective radiographic cohort study were to determine the prevalence of DISH in an outpatient population of skeletally mature dogs and to investigate if dogs can be used as an(More)
Cushing's disease or pituitary-dependent hyperadrenocorticism (PDH) is common in dogs and rare in cats. PDH is caused by a pituitary tumor producing adrenocorticotropin (ACTH). Pituitary imaging with computed tomography (CT) or magnetic resonance imaging (MRI) is required to assess the size and location of the pituitary adenoma in relation to the surgical(More)
Detailed imaging of the pituitary gland is a prerequisite for a successful outcome of transsphenoidal hypophysectomy in dogs because it allows for accurate preoperative localization and assessment of the size of the pituitary gland. Cisternography allows assessment of even small increases in the height of the pituitary gland, but the magnitude of(More)
We describe the magnetic resonance (MR) imaging aspects of normal canine optic nerve, the diameter of the optic nerve as measured on MR images, and optimal MR sequences for the evaluation of the optic nerve using a 0.2T MR unit. Three millimeter contiguous slides of the normal canine orbital region were acquired in transverse and dorsal oblique planes using(More)
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