Sung H, Ferlay J, Siegel RL, et al. Global cancer statistics 2020: GLOBOCAN estimates of incidence and mortality worldwide for 36 cancers in 185 countries. CA Cancer J Clin. 2021;71:209–49.

Article  PubMed  Google Scholar 

Lin C, Franceschi S, Clifford GM. Human papillomavirus types from infection to cancer in the anus, according to sex and HIV status: a systematic review and meta-analysis. Lancet Infect Dis. 2018;18:198–206.

Article  PubMed  PubMed Central  Google Scholar 

Darragh TM, Colgan TJ, Cox JT, et al. The lower anogenital squamous terminology standardization project for hpv-associated lesions: background and consensus recommendations from the college of american pathologists and the American Society for colposcopy and cervical pathology. Arch Pathol Lab Med. 2012;136:1266–97.

Article  PubMed  Google Scholar 

Palefsky JM, Lee JY, Jay N, et al. Treatment of anal high-grade squamous intraepithelial lesions to prevent anal cancer. N Engl J Med. 2022;386:2273–82.

Article  PubMed  PubMed Central  Google Scholar 

Ashizawa H, Imai K, Shimoda T. Gastrointestinal: unusual pathology of an anorectal lesion mimicking a benign laterally spreading tumor. J Gastroenterol Hepatol. 2023;38:1681.

Article  PubMed  Google Scholar 

Yabuuchi Y, Imai K, Hotta K. An unusual flat anorectal lesion mimicking a laterally spreading tumor. Clin Gastroenterol Hepatol. 2018;16:e55–6.

Article  PubMed  Google Scholar 

Kudo SE, Wakamura K, Ikehara N, et al. Diagnosis of colorectal lesions with a novel endocytoscopic classification - a pilot study. Endoscopy. 2011;43:869–75.

Article  PubMed  Google Scholar 

Kudo SE, Mori Y, Wakamura K, et al. Endocytoscopy can provide additional diagnostic ability to magnifying chromoendoscopy for colorectal neoplasms. J Gastroenterol Hepatol. 2014;29:83–90.

Article  PubMed  Google Scholar 

Inoue H, Sasajima K, Kaga M, et al. Endoscopic in vivo evaluation of tissue atypia in the esophagus using a newly designed integrated endocytoscope: a pilot trial. Endoscopy. 2006;38:891–5.

Article  PubMed  Google Scholar 

Oyama T, Inoue H, Arima M, et al. Prediction of the invasion depth of superficial squamous cell carcinoma based on microvessel morphology: magnifying endoscopic classification of the Japan Esophageal Society. Esophagus. 2017;14:105–12.

Article  PubMed  Google Scholar 

Ito T, Morita S, Shimeno N, et al. The prospect of endoscopic submucosal dissection for early anal canal squamous cell carcinoma. Clin J Gastroenterol. 2016;9:384–8.

Article  PubMed  Google Scholar 

Serup-Hansen E, Linnemann D, Skovrider-Ruminski W, et al. Human papillomavirus genotyping and p16 expression as prognostic factors for patients with American Joint Committee on Cancer stages I to III carcinoma of the anal canal. J Clin Oncol. 2014;32:1812–7.

Article  PubMed  Google Scholar 

Abad MRA, Shimamura Y, Fujiyoshi Y, et al. Endocytoscopy: technology and clinical application in upper gastrointestinal tract. Transl Gastroenterol Hepatol. 2020;5:28.

Article  PubMed  PubMed Central  Google Scholar 

Inoue F, Sano Y, Hirata D, et al. A case of anal condyloma acuminatum observed by endocytoscopy [Video]. VideoGIE GIE Publishing. 2021;6:141–3.

Article  Google Scholar