Patterns of Inguinal Lymph Node Metastases in Anal Canal Cancer and Recommendations for Elective Clinical Target Volume (CTV) Delineation.

Allison E Garda,Patrick J Navin,Kenneth W Merrell,James A Martenson,Michelle A Neben Wittich,Michael G Haddock,Terence T Sio,William G Rule,Jonathan B Ashman,Shannon P Sheedy,Christopher L Hallemeier

INTERNATIONAL JOURNAL OF RADIATION ONCOLOGY BIOLOGY PHYSICS（2020）

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摘要

•Optimal clinical target volume for inguinal lymph node irradiation in anal cancer is uncertain.•Location of 79 involved inguinal lymph nodes plotted relative to femoral vessels.•Comparison of involved node coverage utilizing published consensus guidelines.•AGITG guidelines cover 68% of lymph nodes anteriorly, 85% medially, 100% inferiorly.•Evidence-based elective inguinal lymph node CTV contouring guidelines proposed.

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关键词

Anal cancer,Inguinal lymph nodes,Clinical target volume,Intensity modulated radiotherapy,Contouring guidelines

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