INTESTINE Vol.13 No.2(2-4-2)

Theme Frontier of image diagnosis for colorectal carcinoma
Title Clinical utility of colorectal cancer diagnosis through FDG-PET (PET/CT) observation
Publish Date 2009/03
Author Kazuhiro Kitajima Department of Radiology / PET Center, Dokkyo Medical University School of Medicine
Author Koji Murakami PET Center, Dokkyo Medical University School of Medicine
Author Erena Yamasaki PET Center, Dokkyo Medical University School of Medicine
Author Yasushi Kaji Department of Radiology, Dokkyo Medical University School of Medicine
Author Yasushi Domeki Department of First Surgery, Dokkyo Medical University School of Medicine
Author Masahiro Tsubaki Department of First Surgery, Dokkyo Medical University School of Medicine
Author Masakatsu Sunagawa Department of First Surgery, Dokkyo Medical University School of Medicine
[ Summary ] We outline the usefulness and limitations of evaluating colorectal cancer through use of FDG-PET (PET/CT) scanning, in relation to categories such as detection of primary lesions, lymph node metastasis or recurrence, as well as detection of distant metastasis. PET (PET/CT) scanning is effective for detecting metastases and recurrence rather than evaluation of primary tumors. It is especially useful for finding unexpected lesions as compared to other imaging modalities. 3D images reconstructed by fused contrast enhanced CTs and FDG-PET scans are used to produce navigation images. These images may be used to detect hypermetabolic tumors and vascular structures simultaneously. They are useful for preoperative mapping to clarify the correlationship of tumors and blood vessels.
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