scholarly journals The use of custom 3D printed stereotactic frames for laser interstitial thermal ablation: technical note

2016 ◽  
Vol 41 (4) ◽  
pp. E3 ◽  
Author(s):  
Nicholas J. Brandmeir ◽  
James McInerney ◽  
Brad E. Zacharia

Over the last several years, laser interstitial thermotherapy (LITT) has gained wide acceptance for the treatment of a myriad of cranial lesions. A wide variety of techniques for placement of the laser fiber have been reported with a spectrum of perceived benefits and drawbacks. The authors present the first report of a customized 3D printed stereotactic frame for LITT. Approximately 1 week prior to surgery, 3–4 skull fiducials were placed after each of 5 patients received a local anesthetic as an outpatient. Radiographs with these fiducials were then used to create a trajectory to the lesion that would be treated with LITT. After the plan was completed, software was used to render a customized frame. On the day of surgery, the frame was attached to the implanted skull fiducials and the LITT catheter was placed. This procedure was carried out in 5 consecutive patients. In 2 patients, a needle biopsy was also performed. Intraoperative and postoperative imaging studies confirmed the accurate placement of the LITT catheter and the lesion created. Mean operating room time for all patients was 45 minutes but only 26 minutes when excluding the cases in which a biopsy was performed. To the best of the authors' knowledge, this is the first report of the use of a specific system, the STarFix microTargeting system, for use with LITT and brain biopsy. This system offers several advantages including fast operating times, extensive preoperative planning, no need for cranial fixation, and no need for frame or fiducial placement on the day of surgery. The accuracy of the system combined with these advantages may make this a preferred stereotactic method for LITT, especially in centers where LITT is performed in a diagnostic MRI suite.

2016 ◽  
Vol 26 (7) ◽  
pp. 1902-1909 ◽  
Author(s):  
Ran Wei ◽  
Wei Guo ◽  
Tao Ji ◽  
Yidan Zhang ◽  
Haijie Liang

Author(s):  
Mohamed Omar ◽  
Alexander-Nicolai Zeller ◽  
Nils-Claudius Gellrich ◽  
Majeed Rana ◽  
Christian Krettek ◽  
...  

2016 ◽  
Vol 43 (9) ◽  
pp. 5020-5027 ◽  
Author(s):  
Ian S. Negus ◽  
Robin B. Holmes ◽  
Kirsty C. Jordan ◽  
David A. Nash ◽  
Gareth C. Thorne ◽  
...  

2015 ◽  
Vol 42 (11) ◽  
pp. 6507-6513 ◽  
Author(s):  
Niloufar Zarghami ◽  
Michael D. Jensen ◽  
Srikanth Talluri ◽  
Paula J. Foster ◽  
Ann F. Chambers ◽  
...  

2015 ◽  
Vol 123 (4) ◽  
pp. 1070-1076 ◽  
Author(s):  
Bruce L. Tai ◽  
Deborah Rooney ◽  
Francesca Stephenson ◽  
Peng-Siang Liao ◽  
Oren Sagher ◽  
...  

In this paper, the authors present a physical model developed to simulate accurate external ventricular drain (EVD) placement with realistic haptic and visual feedbacks to serve as a platform for complete procedural training. Insertion of an EVD via ventriculostomy is a common neurosurgical procedure used to monitor intracranial pressures and/or drain CSF. Currently, realistic training tools are scarce and mainly limited to virtual reality simulation systems. The use of 3D printing technology enables the development of realistic anatomical structures and customized design for physical simulators. In this study, the authors used the advantages of 3D printing to directly build the model geometry from stealth head CT scans and build a phantom brain mold based on 3D scans of a plastinated human brain. The resultant simulator provides realistic haptic feedback during a procedure, with visualization of catheter trajectory and fluid drainage. A multiinstitutional survey was also used to prove content validity of the simulator. With minor refinement, this simulator is expected to be a cost-effective tool for training neurosurgical residents in EVD placement.


2005 ◽  
Vol 27 (6) ◽  
pp. 548-556 ◽  
Author(s):  
Tom Van Hoof ◽  
Cyriel Mabilde ◽  
Luc Leybaert ◽  
Koenraad Verstraete ◽  
Katharina D’Herde

Neurosurgery ◽  
1989 ◽  
Vol 25 (5) ◽  
pp. 839-842 ◽  
Author(s):  
Edmund Frank ◽  
Erik Kohler ◽  
Larry Hein

Abstract A ventricular catheter and connected subcutaneous reservoir (ventricular access reservoir) allows easy, repeated access to the cerebrospinal fluid for a multitude of purposes. In situations in which the ventricles are small or displaced, insertion of a ventricular catheter may be difficult. Multiple passes to cannulate the ventricle may damage the brain and manipulation of the catheter and reservoir may cause migration of the catheter, possibly compromising its function. A stereotactic method for insertion of ventricular access reservoirs using a device that attaches to the Brown-Roberts-Wells stereotactic system has been developed. With this device the catheter and reservoir are guided into place as a single unit, utilizing a guide attached to the Brown-Roberts-Wells frame. This technique has been useful in inserting ventricular access reservoirs into patients with small ventricles or in whom there is some abnormality of the brain or skull that renders classical landmarks for ventricular cannulation useless.


1999 ◽  
Vol 42 (04) ◽  
pp. 179-181 ◽  
Author(s):  
O. Heese ◽  
J. Gliemroth ◽  
U. Kehler ◽  
U. Knopp ◽  
H. Arnold

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