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JaLCDOI 10.18926/AMO/45269
FullText URL 65_2_105.pdf
Author Tsuzuki, Takao| Okada, Hiroyuki| Nasu, Junichiro| Takenaka, Ryuta| Inoue, Masafumi| Kawano, Seiji| Kita, Masahide| Hori, Keisuke| Yamamoto, Kazuhide|
Abstract The objectives of this study were to evaluate the accuracy of endoscopic ultrasonography (EUS) in local and regional staging of early gastric cancer, to analyze the factors influencing the accuracy of EUS, and to reveal the usefulness and problems of EUS in pre-treatment staging of gastric cancer. We examined 105 lesions in 104 patients with histologically confirmed gastric cancer and retrospectively evaluated them with EUS. The diagnostic accuracy, sensitivity, and specificity of EUS were determined by comparing the pre-treatment EUS with the postoperative histopathological findings. The overall diagnostic accuracy of EUS for the depth of cancer invasion was 86%. The overall sensitivity and specificity were 60% and 96%, respectively. The accuracy significantly declined in lesions located in the upper-third of the stomach (70%). Type 0-I lesions tended to be over-staged (12&), and the upper-third lesions tended to be under-staged (23%). The accuracy significantly declined in differentiated adenocarcinoma with massive submucosal invasion (56.5%). EUS is useful for evaluating the depth of gastric cancer invasion which determines the feasibility of endoscopic treatment. However, it is noteworthy that the diagnostic accuracy of the invasion depth diminished for lesions in the upper third of the stomach.
Keywords endoscopic ultrasonography early gastric cancer accuracy sensitivity specificity
Amo Type Original Article
Publication Title Acta Medica Okayama
Published Date 2011-04
Volume volume65
Issue issue2
Publisher Okayama University Medical School
Start Page 105
End Page 112
ISSN 0386-300X
NCID AA00508441
Content Type Journal Article
language English
Copyright Holders CopyrightⒸ 2011 by Okayama University Medical School
File Version publisher
Refereed True
PubMed ID 21519368
Web of Science KeyUT 000289818800006
Author Hiraide, Shozo|
Published Date 1935-05-31
Publication Title 岡山医学会雑誌
Volume volume47
Issue issue5
Content Type Journal Article
Author Fujimi, Tadahiko|
Published Date 1937-06-30
Publication Title 岡山医学会雑誌
Volume volume49
Issue issue6
Content Type Journal Article
Author Inoue, Masayuki| Nisimura, Syozi|
Published Date 1936-01-31
Publication Title 岡山医学会雑誌
Volume volume48
Issue issue1
Content Type Journal Article
Author Ikegami, Akira|
Published Date 1936-01-31
Publication Title 岡山医学会雑誌
Volume volume48
Issue issue1
Content Type Journal Article
Author Kaméyama, S.| Itano, S.|
Published Date 1937-04-30
Publication Title 岡山医学会雑誌
Volume volume49
Issue issue4
Content Type Journal Article
Author Miyake, Shinji|
Published Date 1937-03-31
Publication Title 岡山医学会雑誌
Volume volume49
Issue issue3
Content Type Journal Article
Author Inaba, Minoru|
Published Date 1936-01-31
Publication Title 岡山医学会雑誌
Volume volume48
Issue issue1
Content Type Journal Article
Author Ofuji, Toshiharu|
Published Date 1937-01-31
Publication Title 岡山医学会雑誌
Volume volume49
Issue issue1
Content Type Journal Article
Author Naitoh, Tatsuo|
Published Date 1937-01-31
Publication Title 岡山医学会雑誌
Volume volume49
Issue issue1
Content Type Journal Article
Author Takata, Shinzo|
Published Date 1937-01-31
Publication Title 岡山医学会雑誌
Volume volume49
Issue issue1
Content Type Journal Article
Author Kato, Konroku|
Published Date 1938-12-31
Publication Title 岡山医学会雑誌
Volume volume50
Issue issue12
Content Type Journal Article
Author Niimoto, Isao|
Published Date 1938-12-31
Publication Title 岡山医学会雑誌
Volume volume50
Issue issue12
Content Type Journal Article
Author Okamura, Nagawo|
Published Date 1938-12-31
Publication Title 岡山医学会雑誌
Volume volume50
Issue issue12
Content Type Journal Article
Author Morika, Hiroshi|
Published Date 1938-09-30
Publication Title 岡山医学会雑誌
Volume volume50
Issue issue9
Content Type Journal Article
Author Ehara, Tosio|
Published Date 1938-01-31
Publication Title 岡山医学会雑誌
Volume volume50
Issue issue1
Content Type Journal Article
Author Hudizawa, H.|
Published Date 1938-08-31
Publication Title 岡山医学会雑誌
Volume volume50
Issue issue8
Content Type Journal Article
Author Seki, Tensisu|
Published Date 1938-06-30
Publication Title 岡山医学会雑誌
Volume volume50
Issue issue6
Content Type Journal Article
Author Miyazima, Tadasi|
Published Date 1938-06-30
Publication Title 岡山医学会雑誌
Volume volume50
Issue issue6
Content Type Journal Article
Author Seki, Tensisu|
Published Date 1938-04-30
Publication Title 岡山医学会雑誌
Volume volume50
Issue issue4
Content Type Journal Article