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Abstract #4282

Development of a dedicated laryngeal surface coil for improved high resolution imaging in laryngeal cancer

Thomas Ruytenberg1, Berit Verbist1, Jordi Vonk-Van Oosten1, Paul de Bruin1, Eleftheria Asteinidou1, Elisabeth Sjogren1, and Andrew Webb1

1Leiden University Medical Center, Leiden, Netherlands

A dedicated 4-channel larynx coil at 3T has been developed, allowing for high-resolution (1 mm isotropic) imaging of the larynx. The coil is flexible and can therefore be used on a radiotherapy mask to allow in-mask scanning of the larynx for radiotherapy planning purposes. Breathing and swallowing artefacts were eliminated using respiratory triggering and artefacts arising from pulsatile flow were suppressed using a saturation pulse. The improved image quality and resolution helps in assessing whether transoral surgical approaches on laryngeal tumors are possible.

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