Fusion of SPECT and Multidetector CT Images for Accurate Localization of Pelvic Sentinel Lymph Nodes in Prostate Cancer Patients

被引：0

作者：

Kizu, Hiroto ^{[1
]}

Takayama, Teruhiko ^{[1
]}

Fukuda, Mamoru ^{[2
]}

Egawa, Masayuki ^{[2
]}

Tsushima, Hiroyuki ^{[1
]}

Yamada, Masato ^{[3
]}

Ichiyanagi, Kenji ^{[4
]}

Yokoyama, Kunihiko ^{[4
]}

Onoguchi, Masahisa ^{[1
]}

Tonami, Norihisa ^{[4
]}

机构：

[1] Kanazawa Univ, Sch Hlth Sci, Dept Radiol Technol, 5-11-80 Kodatsuno, Kanazawa, Ishikawa 9200942, Japan

[2] Kanazawa Univ, Grad Sch Med Sci, Dept Integrat Canc Therapy & Urol, Kanazawa, Ishikawa, Japan

[3] Kanazawa Univ Hosp, Dept Radiol, Kanazawa, Ishikawa, Japan

[4] Kanazawa Univ, Grad Sch Med Sci, Dept Biotracer Med, Kanazawa, Ishikawa, Japan

来源：

JOURNAL OF NUCLEAR MEDICINE TECHNOLOGY | 2005年 / 33卷 / 02期

关键词：

fusion image; sentinel lymph node; prostate cancer; lymphoscintigraphy; CT;

D O I：

暂无

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：

Objective: The present study was performed to investigate the feasibility of fusion of images obtained by SPECT and multidetector CT (MDCT) for the accurate localization of sentinel lymph nodes in prostate cancer patients. Methods: To facilitate the fusion of both SPECT and CT images, a pelvic MDCT scan was performed with 3 markers of small plastic bullets attached to the skin over the bilateral iliac crests and the ventral midline at the same height. SPECT was performed after the same locations were marked with needle caps containing Tc-99m-pertechnetate. The images were superimposed by use of free software (MRIcro). The results of hot lymph node detection with fusion images were compared with those of surgery. Results: The images could be successfully superimposed for all 11 patients examined. Surgeons accurately confirmed 27 (87.1%) of 31 regional lymph nodes on fusion images. Conclusion: Fusion of SPECT and MDCT images is useful for the precise localization of sentinel lymph nodes in prostate cancer patients.

引用

页码：78 / 82

页数：5

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