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

被引：44

作者：

Tsukamoto, Eriko ^{[1
]}

Ochi, Shinji ^{[1
]}

机构：

[1] Med Cooperat Teishinikai Cent CI Clin, Chuo Ku, Sapporo, Hokkaido 0600042, Japan

来源：

ANNALS OF NUCLEAR MEDICINE | 2006年 / 20卷 / 04期

关键词：

positron-emission tomography; tomography scanners; X-ray computed; F-18-FDG; radionuclide imaging;

D O I：

10.1007/BF02984642

中图分类号：

R8 [特种医学]; R445 [影像诊断学];

学科分类号：

1002 ; 100207 ; 1009 ;

摘要：

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.

引用

页码：255 / 267

页数：13

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