Variations in Microwave Ablation Zones as a Function of Probe Spacing, Angulation and Geometry.
J Vasc Interv Radiol
; 2024 Jul 05.
Article
en En
| MEDLINE
| ID: mdl-38972574
ABSTRACT
Despite advancements in precision and efficacy of microwave ablation for tumor management, accurately predicting ablation zone geometry and minimum ablation margin remains a major challenge. This pilot study seeks to elucidate the influence of probe configuration on the morphometry of resulting ablation zones using tissue mimicking thermochromic phantoms. In-vitro results from 12 ablations were analyzed a single probe ablation (n=1) and dual probe ablations (n=11). Angles and separations greatly influenced ablation zone morphometry. In dual-probe ablations, probe tip separation and angle of offset were positively correlated with ablation zone volume, length, and cross-sectional circularity. IR ablation planning is currently suboptimal, as it often relies upon cognitive registration. Even treatment planning software creates virtual composite ablation volumes based upon data from theoretical ablations in single, idealized configurations and settings. These findings draw attention to a need for improved ablation zone prediction and planning, which might impact efficiency, safety, cost, and outcomes.
Texto completo:
1
Colección:
01-internacional
Base de datos:
MEDLINE
Idioma:
En
Revista:
J Vasc Interv Radiol
Asunto de la revista:
ANGIOLOGIA
/
RADIOLOGIA
Año:
2024
Tipo del documento:
Article
País de afiliación:
Estados Unidos