期刊
HISTOPATHOLOGY
卷 78, 期 1, 页码 18-38出版社
WILEY
DOI: 10.1111/his.14285
关键词
Barrett’ s; dysplasia grading; phenotypes; intramucosal carcinoma; SM1 carcinoma
Modern management of Barrett's esophagus and related neoplasia focuses on surveillance for early detection of low-risk lesions and offering minimally invasive treatments, reserving surgery for high-risk cases. Pathological assessment guides treatment choice, with endoscopic resections being curative for certain early-stage carcinomas. Management involves a multidisciplinary approach for risk stratification and personalized treatment.
Modern management of Barrett's oesophagus and related neoplasia essentially focuses upon surveillance to detect early low-risk neoplastic lesions and offering organ-preserving advanced endoscopic therapies, while traditional surgical treatments of oesophagectomy and lymph node clearance with or without chemoradiation are preserved only for high-risk and advanced carcinomas. With this evolution towards figless invasive therapy, the choice of therapy hinges upon the pathological assessment for risk stratifying patients into those with low risk for nodal metastasis who can continue with less invasive endoscopic therapies and others with high risk for nodal metastasis for which surgery or other forms of treatment are indicated. Detection and confirmation of neoplasia in the first instance depends upon endoscopic and pathological assessment. Endoscopic examination and biopsy sampling should be performed according to the recommended protocols, and endoscopic biopsy interpretation should be performed applying standard criteria using appropriate ancillary studies by histopathologists experienced in the pathology of Barrett's disease. Endoscopic resections (ERs) are both diagnostic and curative and should be performed by clinicians who are skilled with advanced endoscopic techniques. Proper preparation and handling of ERs are essential to assess histological parameters that dictate the curative nature of the procedure. Those parameters are adequacy of resection and risk of lymph node metastasis. The risk of lymph node metastasis is determined by depth invasion and presence of poor differentiation and lymphovascular invasion. Those adenocarcinomas with invasion up to muscularis mucosae (pT1a) and those with superficial submucosal invasion (pT1b) up to 500 mu with no poor differentiation and lymphovascular invasion and negative margins may be considered cured by endoscopic resections.
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