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Staging fluorescence laparoscopy for gastric cancer by using 5-aminolevulinic Acid.
MedLine Citation:
PMID:  23225446     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
BACKGROUND: Precise staging of gastric cancer is essential when selecting for the appropriate treatment approach. 5-Aminolevulinic acid (5-ALA) is metabolized and accumulated as protoporphyrin IX (PpIX), which is a photosensitizer. In this study, we evaluated the diagnostic usefulness of 5-ALA for demonstrating peritoneal dissemination in patients with gastric cancer.
MATERIALS AND METHODS: Fluorescence laparoscopy (FL) was performed in 13 patients with gastric cancer. All patients received preoperative oral administration of 5-ALA. Fluorescence-light laparoscopies were sequentially performed intraoperatively.
RESULTS: In four out of the 13 patients, primary tumors were detected by FL and demonstrated serosal invasion on histological examination. Five out of the 13 patients demonstrated peritoneal metastases, and one patient demonstrated superficial liver micrometastases, by FL. All of these lesions were diagnosed as metastatic lesions by hematoxylin and eosin staining.
CONCLUSION: These findings show that FL diagnosis with 5-ALA is accurate and suitable for the detection of peritoneal metastases and of superficial liver micrometastases in patients with gastric cancer.
Authors:
Yasutoshi Murayama; Daisuke Ichikawa; Noriaki Koizumi; Shuhei Komatsu; Atsushi Shiozaki; Yoshiaki Kuriu; Hisashi Ikoma; Takeshi Kubota; Masayoshi Nakanishi; Yoshinori Harada; Hitoshi Fujiwara; Kazuma Okamoto; Toshiya Ochiai; Yukihito Kokuba; Tetsuro Takamatsu; Eigo Otsuji
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Anticancer research     Volume:  32     ISSN:  1791-7530     ISO Abbreviation:  Anticancer Res.     Publication Date:  2012 Dec 
Date Detail:
Created Date:  2012-12-10     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8102988     Medline TA:  Anticancer Res     Country:  Greece    
Other Details:
Languages:  eng     Pagination:  5421-7     Citation Subset:  IM    
Affiliation:
Department of Surgery, Division of Digestive Surgery, Kyoto Prefectural University of Medicine Graduate School of Medical Science, 465 Kajii-cho Hirokoji Kawaramachi, Kamigyo-ku, Kyoto 602-8566, Japan. murayama@koto.kpu-m.ac.jp.
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