Limitations of CT in the evaluation of transient ischemic attacks.
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Biomedical subjects
Publications and source records attributed to F C Guinto.
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Three cases of intracerebral venous angioma, a rare vascular malformation, were studied by radionuclide brain scan, transmission computed tomography (TCT) and angiography. In each case, the radionuclide flow study demonstrated a typical area of abnormal increase in activity during the venous phase; in two of the cases the arterial phase was also abnormal. Each contrast angiogram demonstrated a normal arterial distribution and a characteristic network of abnormal veins that converged to a large transcerebral draining vein. The TCT scans showed enhancing, curvilinear densities; while not specific, this finding should suggest the possibility of venous angioma in the brain.
New standards for the assessment of sella turcica volume were derived from studies in normal children. Use of these standards facilitates the diagnostic evaluation of children with short stature, since many patients with idiopathic hypopituitarism have abnormally small sella turcica volumes. The sellar volume should be estimated early in the evaluation of the short child and, if found to be small, should serve as a stimulus for prompt, thorough evaluation of pituitary function.
Forty-one patients with acute cervical spine injury were examined by both conventional radiography and multidirectional tomography and the findings compared. Indications for tomography are given.
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