Ultrasonography Fused with PET-CT Hybrid Imaging

Publication: Research - peer-reviewJournal article – Annual report year: 2011

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We present a method with fusion of images of three modalities 18F-FDG PET, CT, and 3-D ultrasound (US) applied to imaging of the anal canal and the rectum. To obtain comparable geometries in the three imaging modalities, a plexiglas rod, with the same dimensions as the US transducer, is placed in the anal canal prior to the PET-CT examination. The method is based on manual co-registration of PET-CT images and 3-D US images. The three-modality imaging of the rectum-anal canal may become useful as a supplement to conventional imaging in the external radiation therapy in the treatment of anal cancer, where the precise delineation of a tumor is crucial to avoid damage from radiation therapy to the healthy tissue surrounding it. The technique is still in a phase of development, and the demands for integration different company software systems are significant before commercial application. Three-modality imaging may also be used in certain other diagnostic or therapeutic fields.
Original languageEnglish
JournalCurrent Medical Imaging Reviews
Publication date2011
Volume7
Issue3
Pages248-251
ISSN1573-4056
DOIs
StatePublished
CitationsWeb of Science® Times Cited: No match on DOI

Keywords

  • PET-CT, Image fusion, Ultrasound
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