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  • Title: Regression of esophageal papillomatous polyposis caused by high-risk type human papilloma virus.
    Author: Kato H, Orito E, Yoshinouchi T, Ueda R, Koizumi T, Yoshinouchi M, Mizokami M.
    Journal: J Gastroenterol; 2003; 38(6):579-83. PubMed ID: 12856674.
    Abstract:
    Esophageal squamous papilloma is an uncommon benign squamous epithelial polypoid tumor and is usually identified as a solitary lesion in the lower esophagus. Chronic mucosal irritation and infection with human papilloma virus (HPV) are two proposed etiologies. However, the natural history of esophageal squamous papilloma is unknown, and whether it can develop to esophageal cancer is also controversial. The authors report a case of esophageal papillomatous polyposis in which the presence of high-risk HPV DNA was proven by type-specific polymerase chain reaction (PCR). The patient was an 83-year-old man referred to our hospital with complaints of nausea and dysphagia. Esophago-gastroduodenoscopy (EGD) was carried out, and diffuse polyposis of the entire length of the esophagus and stenosis in the antrum of the stomach were revealed. Histological examination of the tissue confirmed the diagnosis of squamous papilloma of the esophagus and poorly differentiated adenocarcinoma of the stomach. Furthermore, HPV type-specific PCR was carried out in the biopsied specimens, and HPV type-16 and type-33 were detected. One month after total gastrectomy performed for the treatment of gastric cancer, follow-up EGD was carried out, and complete regression of the esophageal polyps was noted. This case is rare and supports the evidence that esophageal squamous papilloma is caused by infection with HPV. Furthermore, this case also reflects a unique aspect of the natural history of esophageal papillomatous polyposis.
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