Published in:
01-12-2019 | ASO Author Reflections
ASO Author Reflections: The Accurate Prognostic Evaluation and Optimal Treatment Strategy for Ampulla of Vater Carcinoma
Authors:
Taisuke Imamura, MD, PhD, Yusuke Yamamoto, MD, PhD, Katsuhiko Uesaka, MD, PhD
Published in:
Annals of Surgical Oncology
|
Special Issue 3/2019
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Excerpt
Ampulla of Vater carcinoma (AC) is rare, accounting for only 0.2% of gastrointestinal cancers.
1 The low incidence of AC makes it difficult to establish evidence of clinical practice for AC; thus, the prognostic relevance of various staging systems for AC remains controversial. The anatomical complexity of the ampulla of Vater causes some additional problems, especially in the T category. The latest update of the Union for International Cancer Control/American Joint Committee on Cancer (UICC/AJCC) classification, 8th edition, includes changes for the definition of the T category. In the 8th edition, the detailed depth of duodenal invasion and pancreatic invasion were newly employed as factors indicating the T category; however, the prognostic impact of the factors that have been newly incorporated into the definitions remains unclear. …
