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PET/CT today: System and its impact on cancer diagnosis

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Abstract

Over the past six years, PET/CT has spread rapidly and replaced conventional PET. Although PET/ CT is a combination of PET for functional information and CT for morphological information, their combination is synergistic. PET/CT fusion images result in higher diagnostic accuracy with fewer equivocal findings. This results in a greater impact on cancer diagnosis. With attenuation correction performed by the CT component, PET/CT can provide higher quality images over shorter examination times than conventional PET. As with all modalities, PET/CT has several characteristic artifacts such as misregistration due to respiration, overattenuation correction due to metals, etc. Awareness of these pitfalls will help the imaging physician use PET/CT effectively in daily practice.

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  1. Medical Cooperation Teishinkai Central CI clinic, Sapporo Medi-Care center building, 1-27, Nishi 17, Odori, Chuo-ku, 060-0042, Sapporo, Japan

    Eriko Tsukamoto & Shinji Ochi

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  1. Eriko Tsukamoto
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Tsukamoto, E., Ochi, S. PET/CT today: System and its impact on cancer diagnosis. Ann Nucl Med 20, 255–267 (2006). https://doi.org/10.1007/BF02984642

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