Laser Surface Registration for Lateral Skull Base Surgery

Marmulla, Rüdiger; Eggers, Georg; Mühling, Joachim

doi:10.1055/s-2005-870906

Cited by 44 publications

(36 citation statements)

References 5 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…These have to be interpreted very carefully because the study design excluded the influence of soft tissue movements, and those are supposed to have the biggest impact on precision of surface matching techniques. However, our clinical experiences as well as the numerous studies do suggest acceptable accuracy for laser surface matching (Marmulla et al, 1997a;Raabe et al, 2002;Schlaier et al, 2002;Marmulla et al, 2003;Troitzsch et al, 2003;Marmulla et al, 2004a;Marmulla et al, 2004b;Marmulla et al, 2004c;Hoffmann et al, 2005;Marmulla et al, 2005a). This technique very often does not need additional 3D imaging for surgical navigation and has no need of preoperative invasive procedures in order to prepare the patient for the computerassisted surgery.…”

Section: Laser Surface Scanningmentioning

confidence: 70%

“…The marker-free techniques rely on the patients' anatomy and either register against defined bone areas, such as the Anterior Nasal Spine (Swennen et al, 2006), or they register through extraction of the skin surface out of the 3D dataset, matching it with a laser scan of the patient's skin (Grevers et al, 2002;Hoffmann et al, 2005;Marmulla et al, 2005a).…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Registration for computer-navigated surgery in edentulous patients: A problem-based decision concept

Lübbers

Matthews

Zemann

et al. 2011

Journal of Cranio-Maxillofacial Surgery

View full text Add to dashboard Cite

BACKGROUND: Surgical navigation is a commonly used tool in cranio-maxillofacial surgery. Registration is the key element for precision, and a number of studies have shown different techniques to be accurate. Nonetheless, uncertainty surrounds the special situation in edentulous patients and a practical approach to what can be a challenging problem. MATERIALS AND METHODS: Four registration strategies for the Brainlab VectorVision(2) system are presented for surgical navigation of edentulous patients: three landmark-based, point-to-point techniques and one surface-based matching strategy are evaluated. RESULTS: The methods described differ in overall accuracy as well as in the region covered. In general, the more time-consuming and invasive the technique, the more precise it is. The non-invasive techniques are less precise, and they cover only small regions with sufficient accuracy. CONCLUSIONS: Taking into account which type of accuracy is clinically relevant and that the whole skull does not always need to be covered with the greatest possible accuracy, all the described techniques have their indications. The simpler and less invasive techniques can spare time, decrease costs, and harm patient. A decision tree is presented to the reader.

show abstract

Section: Laser Surface Scanningmentioning

confidence: 70%

Section: Introductionmentioning

confidence: 99%

Registration for computer-navigated surgery in edentulous patients: A problem-based decision concept

Lübbers

Matthews

Zemann

et al. 2011

Journal of Cranio-Maxillofacial Surgery

View full text Add to dashboard Cite

show abstract

“…As a non-invasive alternative registration method, laser surface contour scanning has found widespread use in paranasal sinus surgery, and there have been preliminary studies to assess its usefulness in lateral skull base surgery as well [11,33]. However, common laser-based registration systems could not match the accuracy of bone-implanted fiducial marker registration [11].…”

Section: Discussionmentioning

confidence: 99%

“…Still, it is possible that future laser scanning devices will overcome the difficulties of marker-less registration in the skull base area. Promising in this respect are preliminary results by Marmulla et al, who used a special laser scanner system that was able to record far more surface points than are recorded by common laser scanners [33]. To minimize the distance between the target and the registration area, they used the auricle as a spatial reference area and assumed an acceptable navigational accuracy in the lateral skull base.…”

Section: Discussionmentioning

confidence: 99%

Image guided surgery of the lateral skull base: Testing a new dental splint registration device

Ledderose

Hagedorn

Spiegl

et al. 2011

Computer Aided Surgery

View full text Add to dashboard Cite

Objective: The widespread use of image guided surgery in the frontolateral skull base region has been limited by the need for a reliable and non-invasive registration procedure that provides sub-millimetric accuracy. We developed and validated preclinically a non-invasive, easy-to-use registration device based on a dental splint with a laterally mounted fiducial carrier. Methods: Repeated accuracy measurements were performed on six titanium target fiducials which were screwed into the lateral skull base region of a cadaver head and could be unequivocally identified both on the CT image and in reality. The system accuracy was evaluated by determining the deviation of the real target position from the position indicated in the CT scan. The accuracy of the dental splint-based registration was compared to that of two standard registration procedures: contour-based laser surface registration and fixed marker registration. Results: The mean accuracy of 0.55 AE 0.28 mm obtained when using the maxillary splint device was similar to that obtained with the ''gold standard'' registration using bone-implanted markers (0.33 AE 0.26 mm), while being clearly superior to that obtained with contour-based laser surface registration (1.91 AE 0.74 mm). Conclusions: Registration using the non-invasively fixed maxillary fiducial platform can provide sub-millimetric accuracy in the lateral skull base region. In vivo validation may prove dental splint-based registration to be an accurate and non-invasive alternative option for image guided surgery of the lateral skull base, and may facilitate the application of navigation systems in this delicate region.

show abstract

“…Another marker-free registration is laser surface scanning, which matches random points on the skin surface to the soft tissue data of the radiological dataset. (Grevers et al, 2002;Marmulla et al, 2004a;Marmulla et al, 2004b;Hoffmann et al, 2005;Marmulla et al, 2005a;Marmulla et al, 2005b) For technical reasons, the data obtained by cone beam CT is relatively unsuitable for this surface matching technique.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of two dental registration-splint techniques for surgical navigation in cranio-maxillofacial surgery

Venosta¹,

Sun

Matthews

et al. 2014

Journal of Cranio-Maxillofacial Surgery

View full text Add to dashboard Cite

BACKGROUND: Surgical navigation requires precise registration of the pre-operative image dataset to the patient in the operation theatre. Different marker-based and marker-free registration techniques are available, each of them with advantages and disadvantages regarding precision and clinical handling. In this model study, the precision of two dental splint techniques for marker-based registration is analyzed. MATERIALS AND METHODS: A synthetic full-size human skull was registered with its cone beam computed tomography dataset using (a) a dentally-mounted "rapid" occlusal splint with five titanium screws directly attached to the splint, (b) an "extender", a dentally-mounted occlusal splint with similar fiducials fixed to an extension of the splint. The target registration error was measured for 170 landmarks distributed over the viscero-and neurocranium in 10 repeats per splint type using the Vector Vision(2) (BrainLAB AG, Heimstetten, Germany) navigation system. Statistical and graphical evaluations were performed per anatomical region. RESULTS: In the periorbital region, the rapid splint, with an average deviation of 1.50 mm (SD = 0.439) showed greater accuracy than the extender with 1.76 mm (SD = 0.525). The viscerocranial results for both splints were similar (extender 1.84 mm, SD = 0.559, rapid occlusal splint 1.86 mm, SD = 0.686). In the cranial vault region, registration with the extender (2.33 mm, SD = 0.685) proved to be more precise than with the rapid splint (2.86 mm, SD = 0.929). CONCLUSIONS: Due to the more compact dimension of the rapid occlusal splint, errors close to the splint were smaller compared to the extender technique. The advantage of greater distances between the registration fiducials on the extender is particularly important in areas such as the orbital roof, the cranial vault, and the lateral skull base.

show abstract

Laser Surface Registration for Lateral Skull Base Surgery

Cited by 44 publications

References 5 publications

Registration for computer-navigated surgery in edentulous patients: A problem-based decision concept

Registration for computer-navigated surgery in edentulous patients: A problem-based decision concept

Image guided surgery of the lateral skull base: Testing a new dental splint registration device

Evaluation of two dental registration-splint techniques for surgical navigation in cranio-maxillofacial surgery

Contact Info

Product

Resources

About