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OBJECTIVE To analyze the extent and spatial distribution of white matter hyperintensities (WMH) in brain regions from cognitively normal older individuals (CN) and patients with mild cognitive impairment (MCI) and Alzheimer disease (AD). METHODS We studied 26 mild AD, 28 MCI, and 33 CN. MRI analysis included quantification of WMH volume, nonlinear mapping(More)
OBJECTIVE To cross-sectionally compare the regional white matter fractional anisotropy (FA) of cognitively normal (CN) older individuals and patients with mild cognitive impairment (MCI) and Alzheimer disease (AD), separately focusing on the normal-appearing white matter (NAWM) and white matter hyperintensities (WMH), and to test the independent effects of(More)
Inguinal lymphadenectomy, unilateral or bilateral, is widely used in cases of vulvar squamous cell carcinoma and melanoma but has a high morbidity. Sentinel lymph node (SLN) biopsy may be used in the management of these patients. The aims of this study were firstly to determine the reliability of SLN biopsy in predicting regional lymph node status and(More)
An anatomical study of a left lower limb with congenital tibial aplasia and preaxial polydactyly amputated at 10 months of age was carried out. The tibia was replaced by a fibrous band (a band of connective tissue) and there were four cuneiforms, six metatarsal bones and seven toes. The second metatarsal bone showed characteristics of the hallux. An(More)
PURPOSE To study the effects of mitomycin-C (MMC) on the corneal endothelium after surface ablation. METHODS This prospective observer-masked study comprised 40 consecutive patients (80 eyes) scheduled to have laser-assisted subepithelial keratectomy (LASEK) to correct myopia. The patients were divided into 2 groups. Group 1 included 32 eyes in which the(More)
This study assessed the intraoperative analgesic effects of intravenous lidocaine administered by a constant rate infusion (CRI) in surgical canine patients. A prospective, blinded, randomized study was designed with 2 treatment groups: A (lidocaine) and B (placebo), involving 41 dogs. All patients were premedicated with acepromazine and buprenorphine,(More)
Spermatophore development and ultrastructure of the mature sperm ofCraterostigmus tasmanianus were studied using light and electron microscopy. InC. tasmanianus, as in the Scolopendromorpha, the spermatophore develops within the vas deferens. The latter consists of three parts, each with a different morphology. The first may be involved in guiding the sperm(More)
A 2-year-old, neutered, male golden retriever was referred to the Ontario Veterinary College, with a 6-week history of hind limb weakness and back pain. Magnetic resonance imaging of the lumbar vertebral column, and histopathology and immunohistochemistry following euthanasia identified an uncommon solitary T-cell lymphoma in the paralumbar area.
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