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The purpose of this retrospective study was to determine the magnetic resonance imaging (MRI) characteristics of feline brain tumors and to determine whether these characteristics can be used to accurately predict the histologic diagnosis. MRI scans of 46 cats with histologically confirmed brain tumors were reviewed, including 33 meningiomas, 6 lymphomas, 4(More)
Two high performance single supply power amplifier IC products have been developed for GSM and DCS applications using true enhancement mode FET technology. At VD=3.2V, under CW conditions, the GSM IC supplies +35.5 dBm output power at 58% PAE and the DCS IC supplies +33.5 dBm at 46% PAE. These ICs have low leakage currents similar to HBT and LDMOS and do(More)
Ultimately, it is only with an understanding of normal embryologic development that there can be an understanding of why and how a specific malformation develops. Knowing from where and when a specific part of the nervous system develops and what morphogens are at play will enable us to identify undescribed malformation as well as better define causality.(More)
Five adult dogs presented for an acute onset of seizure activity. Magnetic resonance imaging revealed lesions in the olfactory bulbs, frontal lobes of the cerebrum, or both. A modified bilateral transfrontal sinus craniotomy was performed on each patient. The goal of removing the lesion was to relieve clinical signs and to provide tissue for(More)
A beagle puppy was presented with clinical signs indicative of a cerebellar disease. Histopathological evaluation of the cerebellum revealed a diffuse degenerative cortical lesion. The clinical history and the histopathological findings are consistent with a neonatal cerebellar abiotrophy. Furthermore, the breeding history supports the hypothesis of an(More)
A 29-month-old female Alaskan husky was presented recumbent, tetraparetic and in a state of dementia, with blindness and cranial nerve deficits. The dog's progress was followed for over two months, as the signs resolved to an non-progressive mild hypermetria with slight proprioceptive ataxia, a diminished menace response and inability to prehend food.(More)
OBJECTIVE To determine the prevalence of ischemic stroke in Greyhounds and determine whether affected dogs had coagulation abnormalities and hypertension. DESIGN Multi-institutional, retrospective study. ANIMALS 21 dogs. PROCEDURES Medical records (including diagnostic testing results) and MRI images of the brain were reviewed for Greyhounds with(More)
UNLABELLED PRESENTATION AND LESION LOCALISATION: Seven adult domestic shorthair cats were presented with a 1- to 6-day history of progressive neurological signs. A focal skin puncture and subcutaneous swelling over the dorsal part of the head were detected on physical examination. Neurological examination indicated lesion(s) in the right forebrain in four(More)
This paper describes a true enhancement mode RF power device with state-of-the-art performance operated at 3.5 Volts at 900 MHz. The performance was realized with a technology derived from the digital CGaAs/sup TM/ technology. The necessary device and process optimizations to adapt the digital technology for RF applications are discussed and results(More)
Intraparenchymal spinal cord tumors in the cat are rarely reported and often as single case reports. In the current study, the clinical, magnetic resonance imaging (MRI), histologic, and immunohistochemical features of 7 cases of intraparenchymal spinal cord tumors in the cat are described. All cats were domestic breed, ranged from 4 to 12 years of age(More)