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Localization of Intestinal Bleeding Using a Fusion of Tc-99m-Labeled RBC SPECT and X-ray CT

Yama, Naoya MD*; Ezoe, Eiri MD, PhD; Kimura, Yasutoshi MD, PhD; Mukaiya, Mitsuhiro MD, PhD§; Fujimori, Kenji MD, PhD*; Kurimoto, Yoshihiko MD, PhD; Koito, Kazumitsu MD, PhD*; Hirata, Koichi MD, PhD; Hareyama, Masato MD, PhD*; Asai, Yasufumi MD, PhD

doi: 10.1097/01.rlu.0000167516.18157.2c
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Although Tc-99m-labeled RBC SPECT is sensitive for detection of intestinal bleeding, it cannot provide a high degree of specific anatomic information. We present a case of intestinal bleeding in which a fused image composed of those from Tc-99m-labeled RBC SPECT and from x-ray CT revealed small intestinal bleeding with specific anatomic information. We believe that the fused image is useful for anatomic localization of gastrointestinal bleeding and helpful for surgical intervention.

From the Departments of *Radiology and †Traumatology and Critical Care Medicine, and the ‡First Department of Surgery, Sapporo Medical University, School of Medicine, Sapporo, Japan; and the §Department of Surgery, Hokkaido Social Association, Social Welfare Service Hakodate Hospital, Hakodate, Japan.

Received for publication July 28, 2004; revision accepted November 28, 2004.

Reprints: Naoya Yama, MD, Department of Radiology, Sapporo Medical University, School of Medicine, S-1 W-16, Chuo-Ku, Sapporo, 060-8543, Japan. E-mail:

© 2005 Lippincott Williams & Wilkins, Inc.