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Erschienen in: Surgery Today 8/2020

05.07.2019 | Review Article

True esophagogastric junction adenocarcinoma: background of its definition and current surgical trends

verfasst von: Tsutomu Kumamoto, Yasunori Kurahashi, Hirotaka Niwa, Yasutaka Nakanishi, Koichi Okumura, Rie Ozawa, Yoshinori Ishida, Hisashi Shinohara

Erschienen in: Surgery Today | Ausgabe 8/2020

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Abstract

The definition of true esophagogastric junction (EGJ) adenocarcinoma and its surgical treatment are debatable. We review the basis for the current definition and the Japanese surgical strategy in managing true EGJ adenocarcinoma. The Siewert classification is a well-known anatomical classification system for EGJ adenocarcinomas: type II tumors in the region 1 cm above and 2 cm below the EGJ are described as “true carcinoma of the cardia”. Coincidentally, this range matches gastric cardiac gland distribution. Conversely, Nishi’s classification is generally used to describe EGJ carcinomas, defined as tumors with the center located within 2 cm above and 2 cm below the EGJ, regardless of their histological subtype. This range coincides with the extent of the lower esophageal sphincter combined with gastric cardiac gland distribution. The current Japanese surgical strategy focuses on the tumor range from the EGJ to the esophagus and stomach. According to previous studies, the strategy can be roughly classified into three types. The optimal surgical procedure for true EGJ adenocarcinoma is controversial. However, an ongoing Japanese nationwide prospective trial will help confirm the appropriate standard surgery, including the optimal extent of lymph node dissection.
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Metadaten
Titel
True esophagogastric junction adenocarcinoma: background of its definition and current surgical trends
verfasst von
Tsutomu Kumamoto
Yasunori Kurahashi
Hirotaka Niwa
Yasutaka Nakanishi
Koichi Okumura
Rie Ozawa
Yoshinori Ishida
Hisashi Shinohara
Publikationsdatum
05.07.2019
Verlag
Springer Singapore
Erschienen in
Surgery Today / Ausgabe 8/2020
Print ISSN: 0941-1291
Elektronische ISSN: 1436-2813
DOI
https://doi.org/10.1007/s00595-019-01843-4

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