CT-guided and computer assisted stereotactic biopsy

1993 ◽  
Vol 125 (1-4) ◽  
pp. 142-149 ◽  
Author(s):  
J. Voges ◽  
R. Schr�der ◽  
H. Treuer ◽  
O. Pastyr ◽  
W. Schlegel ◽  
...  
Author(s):  
J. Gorecki ◽  
E.J. Dolan ◽  
R.R. Tasker ◽  
W. Kucharczyk

ABSTRACT:Magnetic Resonance Imaging (MR) and Computer Assisted Tomography (CT) guided stereotaxis combined with intraoperative impedance monitoring and multiple sequential biopsies provides the opportunity to correlate the results of radiologic imaging with impedance and histopathology. The authors present the methods used and preliminary results obtained from 30 stereotactic biopsies with complete correlation in 12 cases. Impedance changes correlate accurately with lesion margins as defined by histology. CT images of enhancing lesions correlate quite closely to the histopathologic lesion margins whereas the appearance of the lesion on MR images is often larger than subsequently identified by either impedance or at pathologic examination. Impedance monitoring is a useful adjunct to stereotactic biopsy as it helps to accurately define lesion margins and can help direct the choice of biopsy sites.


1994 ◽  
Vol 63 (1-4) ◽  
pp. 52-55 ◽  
Author(s):  
R.Q. Quiñones-Molina ◽  
A. Alaminos ◽  
H. Molina ◽  
J. Muñoz ◽  
G. López ◽  
...  

Author(s):  
Bojan Jelača ◽  
Petar Vuleković ◽  
Vladimir Papić ◽  
Mladen Karan ◽  
Tomislav Cigić ◽  
...  

1994 ◽  
Vol 131 (3-4) ◽  
pp. 274-281
Author(s):  
A. G. Melikian ◽  
M. I. Kazarnovskaya ◽  
A. V. Stock ◽  
A. V. Golanov ◽  
S. M. Ignatov ◽  
...  

2019 ◽  
Vol 2019 ◽  
pp. 1-6 ◽  
Author(s):  
Ran Wang ◽  
Ying Han ◽  
Lijuan Lu

Objective. Radiofrequency thermocoagulation (RFT) through the foramen rotundum has emerged as an alternative for treatment of isolated V2 trigeminal neuralgia. But puncture of the foramen rotundum is difficult and time-consuming. In current study, we introduced the application of a computer-assisted design (CAD) template to guide foramen rotundum cannulation. Meanwhile, we assessed its safety and efficacy in the treatment of isolated V2 trigeminal neuralgia. Methods. From November 2015 to August 2017, thirty-eight patients with isolated V2 trigeminal neuralgia were treated with computed tomography- (CT-) guided RFT through the foramen rotundum in our institution. All cases were reviewed, and patients were divided into the experimental group (n=17, puncture with a CAD template) and control group (n=21, free-hand puncture) according to the puncture method used. The puncture times, duration of puncture, and duration of operation were collected. The outcome of pain remission was evaluated utilizing the Barrow Neurological Institute’s (BNI) pain score. Complications and recurrence of pain were also recorded. Data were compared between groups. Results. The rate of one-time successful puncture in the experimental group was obviously higher than that in the control group. Mean puncture times in the experimental group was fewer. Average duration of puncture and operation in the experimental group was also shorter than that in the control group. All patients experienced good pain remission (BNI Class I or II) postoperatively. At four follow-up points (7 days, 3 months, 6 months, and 12 months after operation), there was no significant difference in good pain relief rate between the two groups. Meanwhile, no significant difference was found in complications. Conclusions. CAD template is a safe and precise navigation instrument for RFT treatment of isolated V2 trigeminal neuralgia via the foramen rotundum. Therefore, this novel tool is worthy of clinical promotion.


1997 ◽  
Vol 86 (6) ◽  
pp. 923-926 ◽  
Author(s):  
Ann-Marie Thomson ◽  
Robert Taylor ◽  
Diane Fraser ◽  
Ian R. Whittle

✓ A prospective study of patients undergoing computerized tomography (CT)—guided stereotactic biopsy of nonpolar tumors in the dominant hemisphere was undertaken to determine if stereotactic biopsy caused a deterioration of language functions. Language was assessed using the Western Aphasia Battery (WAB) and the Boston Naming Test (BNT) before and after a biopsy sample was obtained. Of 16 patients studied, five (31%) were dysphasic preoperatively. After the biopsy the Aphasia Quotient (AQ), derived from the WAB, had significantly deteriorated in four (80%) of these patients, whereas in the fifth it remained relatively unchanged. One of these patients with an extensive infiltrating hemispheric oligoastrocytoma subsequently recovered normal language function after radiotherapy. In 10 of the 11 patients who had normal language function preoperatively there were no deleterious changes after biopsy in either the WAB subtest or BNT scores. In the other patient whose WAB score was normal preoperatively, there was a significant deterioration in postoperative AQ. This patient, who declined steroid therapy before and after biopsy, had a glioblastoma multiforme in Wernicke's area. A postoperative CT scan revealed no changes from what was shown on preoperative scan. This clinical study shows that CT-guided stereotactic biopsy of nonpolar tumors in the dominant hemisphere using the Brown-Roberts-Wells system and the Sedan—Nashold biopsy cannula carries a 9% risk (95% confidence intervals 0–26%) of impairing language functions if the patient is not dysphasic preoperatively. If the patient is dysphasic preoperatively, there is a very high risk of aggravating the dysphasia with stereotactic biopsy.


1988 ◽  
Vol 14 (1) ◽  
pp. 31-36 ◽  
Author(s):  
Dudley H. Davis ◽  
Patrick J. Kelly ◽  
Richard Marsh ◽  
Bruce A. Kall ◽  
Stephan J. Goerss

1983 ◽  
Vol 46 (1-4) ◽  
pp. 188-192
Author(s):  
D.E. Bullard ◽  
B.S. Nashold ◽  
D. Osborne ◽  
P.C. Burger ◽  
R. Byrd ◽  
...  

2020 ◽  
Vol 9 (2) ◽  
pp. 86-93
Author(s):  
Moududul Haque ◽  
Sudipta Kumar Mukherjee ◽  
Mustafa Kamal ◽  
ABM Manwar Hossain

153 cases of CT guided stereotactic biopsies for intra-axial deep seated brain lesions performed by one neurosurgeon has been analyzed regarding procedure, success rate and complications. Of the 153 cases, positive tissue biopsy was found in 143 cases. In 6 patients, biopsy showed gliotic grain tissue or normal brain tissue.4 patients had complications after the procedure. Three patient developed intracerebral haemorrhage of the two died, and other died Massive MI. There was no post operative new deficits seen. CT guided Stereotactic biopsy is a very effective and low cost procedure caomparing with frameless image guided brain biopsies or open craniotomy for biopsy due to it’s higher complication rate. The detail procedure are being discussed Bang. J Neurosurgery 2020; 9(2): 86-93


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