ULTRASOUND CORNER BLADDER WALL MASS EFFECT CAUSED BY THE INTRAMURAL PORTION OF THE CANINE URETER     

James P.  Douglass  DVM  MS 《Veterinary radiology & ultrasound》1993,34(2):107-107

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COLLAGENASE CHEMONUCLEOLYSIS—A LONG TERM RADIOGRAPHIC STUDY IN NORMAL DOGS     

Matthew A.O.  Atilola  DVM  PhD  Joanne R.  Cockshutt  DVM  MS  Ron  Mclaughlin  DVM  DVSc  Susan M.  Cochrane  DVM  DVSc  Paul W.  Pennock  DVM  MS 《Veterinary radiology & ultrasound》1993,34(5):321-324

Five clinically normal five year old dogs were used in this study. From a randomised table inter ver tebral discs were each injected with either collagenase or calcium chloride diluent. The surgically exposed cervical discs were injected with 50 units whereas thoracic and lumbar discs were injected under fluoroscopic guidance with 100 units of the enzyme. Postinjection radiographs revealed significant (p ≤ .05) disc space narrowing in enzyme injected discs. The cervical discs had the highest frequency of radiographic narrowing (87%) followed by the thoracic (70%) and lumbar (53%) discs. Spondylosis deformans developed at the sites of cervical enzyme injections. None of the dogs had neurologic abnormalities one year postinjection.  相似文献   

THE INSENSITIVITY OF ^99mTc PERTECHNETATE FOR DETECTING METASTASES OF A FUNCTIONAL THYROID CARCINOMA IN A DOG     

Michael R.  Broome  DVM  MS  Gayle S.  Donner  DVM 《Veterinary radiology & ultrasound》1993,34(2):118-124

This report describes the use of ^99mtechnetium pertechnetate (^99mTcO₄⁻) and ¹³¹[for imaging of a metastatic thyroid carcinoma in a dog. The ¹³¹] imaging showed metastatic lesions undetected by the ^99mTcO₄⁻ imaging on 2 separate occasions. The possible mechanisms for the discrepancies between ¹³¹I and ^99mTcO₄⁻ imaging of thyroid carcinomas are discussed. The use of ¹³¹I for the imaging of functional thyroid carcinomas in the dog is recommended.  相似文献   

RADIOLOGY CORNER EVALUATION OF THE CANINE ELBOW FOR FRAGMENTED MEDIAL CORONOID PROCESS     

Clifford R.  Berry  DVM 《Veterinary radiology & ultrasound》1992,33(5):273-276

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A BOOST TECHNIQUE FOR IRRADIATION OF MALIGNANT CANINE NASAL TUMORS     

Donald E.  Thrall  DVM  PHD  Margaret C.  McEntee  DVM†  Carol  Novotney  DVM†  Marlene L.  Hauck  DVM† Rodney L.  Page  DVM  MS† 《Veterinary radiology & ultrasound》1993,34(4):295-300

Eighteen dogs with malignant nasal cavity tumors were treated with radiation therapy, including a boost technique. Three 3:0 Gy boost doses were added to a treatment protocol consisting of sixteen 3.0 Gy daily fractions, bringing the total dose to 57 Gy. This boost technique was implemented without an associated increase in overall treatment time by giving the boost doses on a twice-a-day basis. Boost doses were given during the first half of the radiation therapy period. The treatment was completed as planned in 16 of the 18 dogs; two dogs received lower doses (51 and 54 Gy). Median survival was 177 days, poorer than in some other reported studies of nasal tumor irradiation. Acute effects were unacceptable, with 11 of the 18 dogs developing severe mucositis, desquamation, edema, swelling, and pruritus. The extensive nature of the acute reactions compromised assessment of the effect of the increased radiation dose on the tumor. Although there is justification for assessing more aggressive radiation protocols in canine nasal tumor patients, total doses approximating 60 Gy can not be given as described because of the inability of acutely responding normal tissues to compensate.  相似文献   

Monitoring acute fluid shifts with bioelectrical impedance analysis: a review     

David J. Bordelon  DVMWayne E. Wingfield  MS  DVM  DACVECC  DACVS 《Journal of Veterinary Emergency and Critical Care》2002,12(3):153-161

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OSTEOID OSTEOMA IN A DOG     

Michael  Gorra  DVM  Roanld L.  Burk  DVM  MS  Paul  Greenlee  DVM  PHD  F. Robert Weeren    DVM  MS 《Veterinary radiology & ultrasound》2002,43(1):28-30

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RADIOGRAPHIC DIAGNOSIS: PERICARDIOPERITONEAL DIAPHRAGMATIC HERNIA AND CHOLELITHIASIS IN A DOG     

Diana S.  Rosenstein  DVM  Ullrich  Reif  DVM  Russ L.  Stickle  DVM  Gary  Watson  DVM  William  Schall  DVM  Pierre  Amsellem  DVM 《Veterinary radiology & ultrasound》2001,42(4):308-310

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MAGNETIC RESONANCE IMAGING FEATURES OF EQUINE NIGROPALLIDAL ENCEPHALOMALACIA     

Sean G.  Sanders  DVM  Russell L.  Tucker  DVM  Rodney S.  Bagley  DVM  Patrick R.  Gavin  DVM  PhD 《Veterinary radiology & ultrasound》2001,42(4):291-296

Magnetic resonance imaging (MR) was used to make a diagnosis of equine nigropallidal encephalomalacia in a horse. Equine nigropallidal encephalomalacia is a neurodegenerative disease that has many characteristics with Parkinson-like diseases in humans. Historically, horses were euthanized based on clinical signs and exposure to the toxic weed, yellow star thistle (Centaurea solstitialis). Previously, the disease has only been confirmed on necropsy. MR imaging can provide accurate and sensitive visualization of typical lesions seen in the brain of horses affected with equine nigropallidal encephalomalacia. Lesions were seen on T1-weighted, T2-weighted and proton density images. There was no contrast enhancement following Gd-DTPA administration. Lesions seen on MR were confirmed at necropsy. Using MR to confirm a diagnosis of equine nigropallidal encephalomalacia will prevent unnecessary suffering of horses and expense to owners that would otherwise incur, while further diagnostics are performed.  相似文献   

MAGNETIC RESONANCE IMAGING OF CEREBRAL CORTICAL NECROSIS (POLIOENCEPHALOMALACIA) IN A DOG     

Christopher L.  Mariani  DVM  Simon R.  Platt  BVMS  MRCVS  Susan M.  Newell  DVM  MS  Scott P.  Terrell  DVM  Cheryl L.  Chrisman  DVM  MS  EDS  Roger M.  Clemmons  DVM  PhD 《Veterinary radiology & ultrasound》2001,42(6):524-531

A 3-year-old neutered female mixed breed dog was examined because of severe, generalized seizure activity, tetraparesis, and encephalopathic signs. Cerebrospinal fluid (CSF) evaluation was unremarkable except for a mild increase in protein. Serum and CSF titers for infectious diseases were negative. Magnetic resonance (MR) imaging examination of the brain was performed and lesions were found within the cerebral gray matter of the temporal and parietal lobes. The lesions had increased signal intensity on T1, T2, and proton density-weighted images. There was mild inhomogeneous enhancement following intravenous contrast medium administration. Neurologic status improved and the seizures were well controlled, but the dog never regained normal mentation and euthanasia was performed 10 weeks after initial evaluation. At necropsy, severe cerebral cortical necrosis was found in the regions corresponding to the lesions seen on MR imaging examination. Large numbers of fat-containing macrophages (gitter cells) were found within these areas, and are thought to be responsible for the characteristic hyperintensity seen on the MR images.  相似文献