Endoscopic and surgical resection of T1a/T1b esophageal neoplasms: A systematic review

doi:10.3748/wjg.v19.i9.1424

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Mar 7, 2013 (publication date) through Apr 18, 2024

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World Journal of Gastroenterology

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1007-9327

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Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

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World J Gastroenterol. Mar 7, 2013; 19(9): 1424-1437
Published online Mar 7, 2013. doi: 10.3748/wjg.v19.i9.1424

Table 6 Number of patients with lymph node metastasis and lymphatic and vascular invasion according to the depth of tumor in the submucosal layer

Patients with diseases
Lymph node metastasis
sm (38 studies: n = 2149)¹		sm1 (n = 308)		sm2 (n = 349)		sm3 (n = 624)
SCC	ADC	SCC	ADC	SCC	ADC	SCC	ADC
793/1779 (45%)	95/370 (26%)	60/224 (27%)	8/84 (10%)	107/296 (36%)	11/53 (21%)	301/544 (55%)	39/80 (49%)
Lymphovascular invasion
sm (n = 1286)¹		sm1 (n = 134)		sm2 (n = 150)		sm3 (n = 209)
627/1090 (56%)	76/196 (39%)	58/111 (52%)	2/23 (9%)	88/135 (65%)	4/15 (27%)	118/184 (64%)	19/25 (76%)
Microvascular invasion
sm (n = 1194)¹		sm1 (n = 104)		sm2 (n = 185)		sm3 (n = 251)
468/1161 (40%)	6/33 (18%)	19/97 (20%)	1/7 (14%)	67/183 (37%)	0/2 (0%)	114/239 (48%)	0/12 (0%)

¹Total numbers of patients differ since not all studies provide relevant information. sm: Submucosal layer; SCC: Squamous cell carcinoma; ADC: Adenocarcinoma.

Citation: Sgourakis G, Gockel I, Lang H. Endoscopic and surgical resection of T1a/T1b esophageal neoplasms: A systematic review. World J Gastroenterol 2013; 19(9): 1424-1437
URL: https://www.wjgnet.com/1007-9327/full/v19/i9/1424.htm
DOI: https://dx.doi.org/10.3748/wjg.v19.i9.1424