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OBJECTIVE To compare levels of a range of endothelial progenitor cells (EPCs) and endothelial colony-forming units (CFUs) in control participants and RA patients, in addition to verifying whether levels of EPCs or CFUs are associated with clinical characteristics in RA patients. METHODS Peripheral blood mononuclear cells (PBMCs) from 36 RA patients and 30(More)
PURPOSE To determine the feasibility of the use of temperature-sensitive magnetic resonance (MR) imaging for the detection of local temperature elevations at the focus of a low-power ultrasound beam in the brain. MATERIALS AND METHODS The brains in 28 rabbits were sonicated at acoustic power levels of 3.5-17.5 W. Four to five different locations were(More)
This study tested the hypothesis that MRI thermometry can be correlated with the different degrees of tissue damage observed after focused ultrasound (US) exposure of brain. The brains of 6 rabbits were sonicated to calibrate the MRI proton resonant shift with temperature. In addition, 13 rabbits were sonicated at acoustic powers ranging from 3.5 to 17.5 W.(More)
Large focal volumes are desired in ultrasound surgery to reduce the total treatment time when large tumours are thermally coagulated. Phased arrays are capable of producing enlarged focal volumes in addition to providing the ability for on-line modification of focal shape and location. Although phased arrays have several advantages over their non-phased(More)
We report the case of a 20-year-old woman with primary amenorrhea, normally developed sexual characteristics, infantile external genitals and absence of vaginal orifice. Blood chemistry studies showed elevated serum levels of gonadotropin, estrogens, testosterone, 17OH-progesterone, prolactin and TSH and low concentrations of FT(3) and FT(4). Cytogenetic(More)