Open Access3XPlan: A Novel Technology for 3D Prosthesis Planning Using 2D X-ray Radiographs
Author(s) -
Hagen Hommel,
Alper Akcoltekin,
Benedikt Thelen,
Jan Stifter,
Tobias Schwägli,
Guoyan Zheng
Publication year - 2018
Publication title -
epic series in health sciences
Language(s) - English
Resource type - Conference proceedings
ISSN - 2398-5305
DOI - 10.29007/s2sn
Subject(s) - radiography , tibia , prosthesis , medicine , surgical planning , femur , orthodontics , radiology , ground truth , computer science , nuclear medicine , artificial intelligence , surgery
The purpose of this paper is to present a clinical validation of a novel technology called ’3XPlan’ which allows for 3D prosthesis planning using 2D X-ray radiographs. After a local institution review board (IRB) approval, 3XPlan was evaluated on 25 patients TKA. Pre-operatively, all the patients underwent a CT scan according to a standard protocol. All the CT images were segmented to extract 3D surface models of both femur and tibia, which were regarded as the ground truth. Additionally, 2 X-ray images were acquired for each affected leg and were used in ’3XPlan’ to derive patient-specific models of the leg. For 3D models derived from both modalities (CT vs. X-ray), five most relevant anatomical parameters for planning TKA were measured and compared with each other. Except for tibial torsion, the average differences for all other anatomical parameters are smaller than or close to 3 degrees.