Results 261 to 270 of about 1,662,768 (302)

CT-guided percutaneous Selective Cordotomy

Acta Neurochirurgica, 1993
In this article the technique of CT-Guided Selective Cordotomy is described. The advantages of CT guidance in percutaneous cordotomy are the measurement of spinal cord diameters at the lesion site for each individual patient, direct visualization of target electrode relations, demonstration of spinal cord displacement during the procedure and ...
Y, Kanpolat, S, Akyar, S, Cağlar, A, Unlü, S, Bilgiç   +4 more
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CT-guided biopsy: A simplified approach

Journal of Computed Tomography, 1982
A technique of CT-assisted biopsy using the grid reference system and light lasers is described. Ten lung and 13 abdominal biopsies were performed. Advantages of the method include simplicity, speed, and reproducibility. The advantages of CT thoracic biopsy over conventional fluoroscopy are discussed.
P, Costello, E J, Duszlak, M E, Clouse
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CT-Guided “Real Time” Stereotaxy

1989
Starting from a previously developed 3-D digitizer for a CT correlated topographic orientation during open brain surgery a computerized targeting device was constructed specially designed for stereotaxy. CT and later MRI data are transferred to an IBM compatible personal computer.
H F, Reinhardt, H, Landolt
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CT-Guided Aspiration Biopsy of the Thorax

Journal of Computer Assisted Tomography, 1982
Percutaneous needle aspiration biopsy of thoracic lesions was performed under the guidance of computed tomography (CT) in 28 patients. The lesions chosen for CT guidance of needle placement were those not amenable to demonstration by biplane fluoroscopy: lesions in or adjacent to the mediastinum or hila; peripheral lesions; and small or ill-defined ...
I, Fink, G, Gamsu, L P, Harter
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CT-guided biopsy of lung lesions

Nuclear Medicine and Biology, 1994
CT is the most accurate method for guiding fine needle biopsies in deep and/or small sized lung and mediastinic lesions. The authors have performed 2109 CT-guided lung biopsies (FNAB). The results are given in terms of sensitivity, specificity and rate of complications. In ever examination, Westcott or Chiba needles (22 or 21 gauge) were used.
G, Belfiore, S, Di Filippo, C, Guida, I, Marano, E, Porta   +4 more
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CT-guided liver biopsy: An update

Clinical Imaging, 1991
Computed tomography (CT)-guided liver biopsy has become an accepted part of the diagnostic evaluation of patients with benign and malignant hepatic disease The advantages of imaging guidance over blind percutaneous biopsy are now well established in the literature.
H K, Ha, P B, Sachs, J R, Haaga, F, Abdul-Karim   +3 more
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CT-guided transthoracic needle biopsy

CardioVascular and Interventional Radiology, 1991
CT-guided biopsy of pulmonary and mediastinal lesions is safe and effective. It is most valuable in those cases in which fluoroscopic guidance is not possible due to resolution or anatomic consideration. CT guidance permits puncture of lesions as small as 0.5 cm, typically not seen fluoroscopically.
D, Gardner, E, vanSonnenberg, H B, D'Agostino, G, Casola, S, Taggart, S, May   +5 more
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Dual-angled CT-guided biopsy

Abdominal Imaging, 1994
A new computed tomographic (CT)-guided biopsy technique is described which employs angling both the CT-gantry and the patient to access lesions considered unapproachable using conventional CT techniques. Angling the gantry and the patient, or dual angulation, was applied in five patients with masses located in the pelvis and retroperitoneum that were ...
S, Hussain, R S, Santos-Ocampo, S G, Silverman, S E, Seltzer   +3 more
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Radiation exposure in CT-guided interventions

European Journal of Radiology, 2013
To investigate radiation exposure in computed tomography (CT)-guided interventions, to establish reference levels for exposure, and to discuss strategies for dose reduction.We analyzed 1576 consecutive CT-guided procedures in 1284 patients performed over 4.5 years, including drainage placements; biopsies of different organs; radiofrequency and ...
Roman, Kloeckner, Daniel Pinto, dos Santos, Jens, Schneider, Levent, Kara, Christoph, Dueber, Michael B, Pitton   +5 more
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CT guided functional stereotaxic surgery

Acta Neurochirurgica, 1987
One of the major problems in stereotaxic surgery is to identify the brain target. Since these do not show on any of the usual radiological studies they have to be located with reference to observable structures. Initially bony landmarks were used but later either positive or negative contrast ventriculograms were found to be more accurate.
J D, McKean, P B, Allen, L J, Filipow, J D, Miller   +3 more
openaire   +2 more sources