T De Silva
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Explore the profile of T De Silva including associated specialties, affiliations and a list of published articles.
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Articles
30
Citations
266
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Recent Articles
1.
Uneri A, Goerres J, De Silva T, Jacobson M, Ketcha M, Reaungamornrat S, et al.
Med Image Comput Comput Assist Interv
. 2023 May;
9902:124-132.
PMID: 37195053
A 3D-2D image registration method is reported for guiding the placement of surgical devices (e.g., K-wires). The solution registers preoperative CT (and planning data therein) to intraoperative radiographs and computes...
2.
Vagdargi P, Uneri A, Sheth N, Sisniega A, De Silva T, Osgood G, et al.
Proc SPIE Int Soc Opt Eng
. 2020 Jun;
11315.
PMID: 32476703
Pelvic trauma surgical procedures rely heavily on guidance with 2D fluoroscopy views for navigation in complex bone corridors. This "fluoro-hunting" paradigm results in extended radiation exposure and possible suboptimal guidewire...
3.
Sheth N, De Silva T, Uneri A, Ketcha M, Han R, Vijayan R, et al.
Med Phys
. 2019 Dec;
47(3):958-974.
PMID: 31863480
Purpose: To characterize the radiation dose and three-dimensional (3D) imaging performance of a recently developed mobile, isocentric C-arm equipped with a flat-panel detector (FPD) for intraoperative cone-beam computed tomography (CBCT)...
4.
Vijayan R, De Silva T, Han R, Zhang X, Uneri A, Doerr S, et al.
Phys Med Biol
. 2019 Jun;
64(16):165020.
PMID: 31247607
An algorithm for automatic spinal pedicle screw planning is reported and evaluated in simulation and first clinical studies. A statistical atlas of the lumbar spine (N = 40 members) was...
5.
Han R, Uneri A, De Silva T, Ketcha M, Goerres J, Vogt S, et al.
Phys Med Biol
. 2019 Mar;
64(9):095022.
PMID: 30921783
Percutaneous screw fixation in pelvic trauma surgery is a challenging procedure that often requires long fluoroscopic exposure times and trial-and-error insertion attempts along narrow bone corridors of the pelvis. We...
6.
De Silva T, Uneri A, Zhang X, Ketcha M, Han R, Sheth N, et al.
Phys Med Biol
. 2018 Oct;
63(21):215016.
PMID: 30372418
Real-time fusion of magnetic resonance (MR) and ultrasound (US) images could facilitate safe and accurate needle placement in spinal interventions. We develop an entirely image-based registration method (independent of or...
7.
Han R, De Silva T, Ketcha M, Uneri A, Siewerdsen J
Phys Med Biol
. 2018 Oct;
63(21):215006.
PMID: 30353886
Neuro-navigated procedures require a high degree of geometric accuracy but are subject to geometric error from complex deformation in the deep brain-e.g. regions about the ventricles due to egress of...
8.
Jacobson M, Ketcha M, Capostagno S, Martin A, Uneri A, Goerres J, et al.
Phys Med Biol
. 2017 Nov;
63(2):025030.
PMID: 29116058
Modern cone-beam CT systems, especially C-arms, are capable of diverse source-detector orbits. However, geometric calibration of these systems using conventional configurations of spherical fiducials (BBs) may be challenged for novel...
9.
Goerres J, Uneri A, Jacobson M, Ramsay B, De Silva T, Ketcha M, et al.
Phys Med Biol
. 2017 Oct;
62(23):9018-9038.
PMID: 29058687
Percutaneous pelvic screw placement is challenging due to narrow bone corridors surrounded by vulnerable structures and difficult visual interpretation of complex anatomical shapes in 2D x-ray projection images. To address...
10.
Goerres J, Jacobson M, Uneri A, De Silva T, Ketcha M, Reaungamornrat S, et al.
Proc SPIE Int Soc Opt Eng
. 2017 Oct;
10135.
PMID: 28989221
Pelvic Kirschner wire (K-wire) insertion is a challenging surgical task requiring interpretation of complex 3D anatomical shape from 2D projections (fluoroscopy) and delivery of device trajectories within fairly narrow bone...