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Journals and Conferences
Magnetic resonance imaging (MRI) of the brains of 32 patients who met the DSM-III criteria for obsessive-compulsive disorder and of 14 normal subjects frequently revealed abnormalities, but none was specific to obsessive-compulsive disorder. Spin-lattice relaxation time (T1) for right frontal white matter was prolonged in the patients compared to the… (More)
PURPOSE To compare magnetic resonance angiography (MRA) with duplex Doppler ultrasound (US) and x-ray angiography (XRA) in the evaluation of the carotid bifurcation. METHODS The carotid arteries of 61 patients were studied using MRA, US, or XRA; 31 of the patients underwent all three examinations. MRA included both 2D and 3D time-of-flight sequences.… (More)
BACKGROUND Hydrocolonic ultrasonography--abdominal ultrasonography in conjunction with the retrograde instillation of water into the colon--has been advocated as an alternative to colonoscopy for detecting colorectal polyps and cancer. We conducted a prospective, blinded trial to evaluate the procedure further. METHODS Fifty-two consecutive patients (50… (More)
Magnetic resonance imaging did not diagnose neuropathology in 15 autistic patients. Measurements of the midsagittal area and volume of the fourth ventricle did not differ between these patients and matched control subjects.
Distributed systems are nondeterministic in nature  and tend to exhibit more state changes over a period of time than do comparable sequential systems . These complications arise when monitoring assists with debugging and even more so when longer-term monitoring is used to oversee the production operation of a system. It is therefore desirable for a… (More)
High resolution magnetic resonance imaging (MRI) of the brain was performed on 18 male schizophrenic patients and 15 male normal control subjects using an identical imaging protocol. The number and size of T2 hyperintense foci were clinically quantified by an academic radiologist. Large foci (greater than or equal to 3 mm in diameter) were observed more… (More)
CT of the abdomen and pelvis has supplanted the use of fluoroscopic examinations in the case of suspected small bowel obstruction. CT allows localization of the obstruction and frequently suggests the etiology. This case explores various causes of small bowel obstruction as well as the signs on CT of ischemic versus nonischemic small bowel obstruction.