Type B2 vessels and infiltrative growth patterns b and c are associated with lymphatic invasion in pT1a-lamina propria mucosa esophageal squamous cell carcinoma.

Nobukazu Yorimitsu,Akiko Takahashi,Satoshi Shiozawa,Satoshi Shinozaki,Alan Kawarai Lefor,Hironori Yamamoto,Tsuneo Oyama

Esophagus : official journal of the Japan Esophageal Society（2023）

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摘要

The tumor growth pattern of pT1a-LPM ESCC was mostly INF-a in type B1 patterns. Type B2 patterns are rarely present in pT1a-LPM ESCC, however lymphatic invasion with INF-b or INF-c was frequently observed. Careful observation before endoscopic resection with NBI-ME is important to identify B2 patterns to predict histopathology.

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关键词

Esophageal squamous cell carcinoma, Lamina propria mucosa, Infiltrative growth pattern, Lymphatic invasion, Magnifying endoscopy

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