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PURPOSE To assess the usefulness of 2-[fluorine-18]fluoro-2-deoxy-D-glucose (FDG) positron emission tomography (PET) of the head and neck in locating occult primary lesions in patients with metastatic cervical adenopathy. MATERIALS AND METHODS Seventeen patients with metastatic cervical adenopathy of unknown primary origin were referred for FDG PET of the(More)
Purpose: To evaluate the efficacy of percutaneous drainage of fluid collections following pancreaticoduodenectomy (Whipple’s procedure). Methods: We performed a retrospective review of 19 patients referred to our service with fluid collections following pancreaticoduodenectomy. The presence of associated enteric or biliary fistulas, the route(s) of access(More)
PURPOSE To establish the relationship between elastin degradation and aneurysm growth in New Zealand white rabbit model aneurysms, and to explore the potential for pharmacologic inhibition of elastinolysis and aneurysm growth with use of the matrix metalloproteinase (MMP) inhibitor doxycycline. MATERIALS AND METHODS Elastase-induced, saccular aneurysms(More)
The purpose of this retrospective study is to document the natural history of epistaxis in patients with hereditary hemorrhagic telangiectasia. A telephone questionnaire was administered to 73 patients who had been previously screened for pulmonary arteriovenous malformations (PAVMs). The incidence of epistaxis in this population was 93%, with a mean onset(More)
BACKGROUND The appearance of decreased 2-[(18)F]fluoro-2-deoxy-D-glucose (FDG) uptake in the mesial temporal region in temporal lobe epilepsy may simply reflect loss of gray matter due to hippocampal atrophy. Increased partial volume effects due to atrophic hippocampi may further increase appearance of hypometabolism. METHODS The authors used a(More)
PURPOSE The use of positron emission tomography with 18F-fluorodeoxyglucose (FDG-PET) to detect residual/recurrent squamous cell carcinoma of the head and neck has been tested only in small groups of patients. Our purpose, therefore, was to evaluate the ability of this technique to detect the presence of tumor at both primary and nodal sites in a large(More)
The present studies define the physiologic role of endogenous adenosine in the perfused shark rectal gland, a model epithelia for hormone-stimulated chloride transport. Chloride ion secretion, and venous adenosine and inosine concentrations increased in parallel in response to hormone stimulation. From a basal rate of 157 +/- 26 mu eq/h per g, chloride(More)
The work-up of patients who present with frequent transient ischemic attacks requires expedited carotid imaging. Gadolinium-enhanced carotid angiography is rapid, safe, and less expensive than catheter angiography. It is able to visualize nearly occluded or reconstituted internal carotid arteries that might not be detected by Doppler ultrasound or(More)
In this investigation, we have studied the Multiple Grade Inventory for Teachers (MIT), a teacher-based instrument which assesses aspects of attention, activity, and academic performance in school-age children. Data used in the study come from a sample of 445 children (210 boys, 235 girls) who are part of the Connecticut Longitudinal Study of Learning(More)
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