[Diagnosis of the depth of gastric cancer invasion by endoscopic ultrasonography].

Junji Yoshino, Kazuo Inui, Takashi Kobayashi, Hironao Miyoshi, Toshihito Kosaka, Yuichiro Tomomatsu, Satoshi Yamamoto, Yasuki Narita, Yoshinori Torii

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)


Endoscopic ultrasonography (EUS) is useful to diagnose the depth of invasion because of obtaining tomographic image of gastric cancer. Stomach layer has a 5-layer structure. Gastric cancer is visualized as low echoic tumor image by EUS. Massive invasion of gastric cancer is viewed as low echoic and clear boundary image. Diffuse invasion is imaged unclear boundary echo and visualized thick layer with remaining layer structure. Invasion depth of gastric cancer by EUS is diagnosed according to level of wall destruction. When depressed type cancer has ulceration in cancer nest, echoic image is modified with fibrous tissue. The diagnostic criteria of depressed type cancer classified into EUS imaging of cancer in consideration for image modified by fibrous tissue accompanied ulceration.

Original languageEnglish
Pages (from-to)1752-1757
Number of pages6
JournalNihon rinsho. Japanese journal of clinical medicine
Issue number10
Publication statusPublished - 10-2012

All Science Journal Classification (ASJC) codes

  • Medicine(all)


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