PuSH - Publikationsserver des Helmholtz Zentrums München

Bukas, C. ; Jian, B.* ; Rodriguez Venegas, L.F.* ; De Benetti, F.* ; Ruehling, S.* ; Sekubojina, A.* ; Gempt, J.* ; Kirschke, J.S.* ; Piraud, M. ; Oberreuter, J.* ; Navab, N.* ; Wendler, T.*

Patient-specific virtual spine straightening andvertebra inpainting: An automatic framework forosteoplasty planning.

In: MICCAI 2021: Medical Image Computing and Computer Assisted Intervention. Berlin [u.a.]: Springer, 2021. 529–539 (Lect. Notes Comput. Sc.)
Preprint DOI
Open Access Green möglich sobald Postprint bei der ZB eingereicht worden ist.

Symptomatic spinal vertebral compression fractures (VCFs) often require osteoplasty treatment. A cement-like material is injected into the bone to stabilize the fracture, restore the vertebral body height and alleviate pain. Leakage is a common complication and may occur due to too much cement being injected. In this work, we propose an automated patient-specific framework that can allow physicians to calculate an upper bound of cement for the injection and estimate the optimal outcome of osteoplasty. The framework uses the patient CT scan and the fractured vertebra label to build a virtual healthy spine using a high-level approach. Firstly, the fractured spine is segmented with a three-step Convolution Neural Network (CNN) architecture. Next, a per-vertebra rigid registration to a healthy spine atlas restores its curvature. Finally, a GAN-based inpainting approach replaces the fractured vertebra with an estimation of its original shape. Based on this outcome, we then estimate the maximum amount of bone cement for injection. We evaluate our framework by comparing the virtual vertebrae volumes of ten patients to their healthy equivalent and report an average error of 3.88±7.63\%. The presented pipeline offers a first approach to a personalized automatic high-level framework for planning osteoplasty procedures.

Altmetric
Weitere Metriken?
Zusatzinfos bearbeiten [➜Einloggen]
Publikationstyp Artikel: Sammelbandbeitrag/Buchkapitel
Korrespondenzautor
Schlagwörter Spine Osteoplasty, Inpainting, Deformable Registration
ISSN (print) / ISBN 0302-9743
e-ISSN 1611-3349
Bandtitel MICCAI 2021: Medical Image Computing and Computer Assisted Intervention
Quellenangaben Band: , Heft: , Seiten: 529–539 Artikelnummer: , Supplement: ,
Verlag Springer
Verlagsort Berlin [u.a.]
Nichtpatentliteratur Publikationen