Integration of three-dimensional rotational angiography in radiosurgical treatment planning of cerebral arteriovenous malformations

Alfredo Conti, Antonio Pontoriero, Giuseppe Farag, Federica Midili, Carmelo Siragusa, Francesca Granata, Antonio Pitrone, Costantino De Renzis, Marcello Longo, Francesco Tomasello

Research output: Contribution to journalArticlepeer-review

Abstract

Purpose: Accuracy in delineating the target volume is a major issue for successful stereotactic radiosurgery for arteriovenous malformations. The aim of the present study was to describe a method to integrate three-dimensional (3D) rotational angiography (3DRA) into CyberKnife treatment planning and to investigate its potential advantages compared with computed tomography angiography (CTA) and magnetic resonance angiography. Methods and Materials: A total of 20 patients with a diagnosis of cerebral arteriovenous malformation were included in the present study. All patients underwent multislice computed tomography and 3D-volumetric CTA, 3DRA, and 3D magnetic resonance angiography. The contouring of the target and critical volumes was done separately using CTA and thereafter directly using 3DRA. The composite, conjoint, and disjoint volumes were measured. Results: The use of CTA or 3DRA resulted in significant differences in the target and critical volumes. The target volume averaged 3.49 ± 3.01 mL measured using CTA and 3.26 ± 2.93 mL measured using 3DRA, for a difference of 8% (p

Original languageEnglish
JournalInternational Journal of Radiation Oncology Biology Physics
Volume81
Issue number3
DOIs
Publication statusPublished - Nov 1 2011

Keywords

  • Cerebral arteriovenous malformations
  • CyberKnife
  • Robotic radiosurgery
  • Stereotactic radiosurgery
  • Three-dimensional rotational angiography

ASJC Scopus subject areas

  • Oncology
  • Radiology Nuclear Medicine and imaging
  • Radiation
  • Cancer Research

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