Validation of a Web-Based Planning Tool for Percutaneous Cryoablation of Renal Tumors.
Computer-assisted image processing
Cryosurgery
Intraoperative monitoring
Kidney neoplasms
Preoperative care
Journal
Cardiovascular and interventional radiology
ISSN: 1432-086X
Titre abrégé: Cardiovasc Intervent Radiol
Pays: United States
ID NLM: 8003538
Informations de publication
Date de publication:
Nov 2020
Nov 2020
Historique:
received:
20
03
2020
accepted:
20
08
2020
pubmed:
17
9
2020
medline:
7
4
2021
entrez:
16
9
2020
Statut:
ppublish
Résumé
To validate a simulation environment for virtual planning of percutaneous cryoablation of renal tumors. Prospectively collected data from 19 MR-guided procedures were used for validation of the simulation model. Volumetric overlap of the simulated ablation zone volume (Σ) and the segmented ablation zone volume (S; assessed on 1-month follow-up scan) was quantified. Validation metrics were DICE Similarity Coefficient (DSC; the ratio between twice the overlapping volume of both ablation zones divided by the sum of both ablation zone volumes), target overlap (the ratio between the overlapping volume of both ablation zones to the volume of S; low ratio means S is underestimated), and positive predictive value (the ratio between the overlapping volume of both ablation zones to the volume of Σ; low ratio means S is overestimated). Values were between 0 (no alignment) and 1 (perfect alignment), a value > 0.7 is considered good. Mean volumes of S and Σ were 14.8 cm The validation results showed a tendency of the simulation model to overestimate the ablation effect. Model adjustments are necessary to make it suitable for clinical use.
Identifiants
pubmed: 32935141
doi: 10.1007/s00270-020-02634-y
pii: 10.1007/s00270-020-02634-y
pmc: PMC7591419
doi:
Types de publication
Journal Article
Validation Study
Langues
eng
Sous-ensembles de citation
IM
Pagination
1661-1670Subventions
Organisme : Seventh Framework Programme
ID : 600641
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