Case report: a precancerous lesion associated with HPV in the anal canal diagnosed by magnifying endoscopy with narrow-band imaging and resected by endoscopic submucosal dissection
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作者:
Li, Hengcun
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Capital Med Univ, Beijing Friendship Hosp, Natl Clin Res Ctr Digest Dis, Beijing Digest Dis Ctr,Dept Gastroenterol,Beijing, Beijing, Peoples R ChinaCapital Med Univ, Beijing Friendship Hosp, Natl Clin Res Ctr Digest Dis, Beijing Digest Dis Ctr,Dept Gastroenterol,Beijing, Beijing, Peoples R China
Li, Hengcun
[1
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Sun, Xiujing
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Capital Med Univ, Beijing Friendship Hosp, Natl Clin Res Ctr Digest Dis, Beijing Digest Dis Ctr,Dept Gastroenterol,Beijing, Beijing, Peoples R ChinaCapital Med Univ, Beijing Friendship Hosp, Natl Clin Res Ctr Digest Dis, Beijing Digest Dis Ctr,Dept Gastroenterol,Beijing, Beijing, Peoples R China
Sun, Xiujing
[1
]
Yang, Ling
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Beijing Fengtai Hosp, Dept Gastroenterol, Beijing, Peoples R ChinaCapital Med Univ, Beijing Friendship Hosp, Natl Clin Res Ctr Digest Dis, Beijing Digest Dis Ctr,Dept Gastroenterol,Beijing, Beijing, Peoples R China
Yang, Ling
[2
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Xu, Rui
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Capital Med Univ, Beijing Friendship Hosp, Dept Pathol, Beijing, Peoples R ChinaCapital Med Univ, Beijing Friendship Hosp, Natl Clin Res Ctr Digest Dis, Beijing Digest Dis Ctr,Dept Gastroenterol,Beijing, Beijing, Peoples R China
Xu, Rui
[3
]
Li, Peng
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Capital Med Univ, Beijing Friendship Hosp, Natl Clin Res Ctr Digest Dis, Beijing Digest Dis Ctr,Dept Gastroenterol,Beijing, Beijing, Peoples R ChinaCapital Med Univ, Beijing Friendship Hosp, Natl Clin Res Ctr Digest Dis, Beijing Digest Dis Ctr,Dept Gastroenterol,Beijing, Beijing, Peoples R China
Li, Peng
[1
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机构:
[1] Capital Med Univ, Beijing Friendship Hosp, Natl Clin Res Ctr Digest Dis, Beijing Digest Dis Ctr,Dept Gastroenterol,Beijing, Beijing, Peoples R China
[2] Beijing Fengtai Hosp, Dept Gastroenterol, Beijing, Peoples R China
[3] Capital Med Univ, Beijing Friendship Hosp, Dept Pathol, Beijing, Peoples R China
Although anal cancer remains rarely diagnosed in the world, its frequency is rising, especially in high-risk groups. The prognosis of advanced anal cancer is poor. However, there are still few reports on the endoscopic diagnosis and treatment of early anal cancer and its precancerous lesions. A 60-year-old woman was referred to our hospital for endoscopic treatment of a flat precancerous lesion in the anal canal, which was identified by narrow-band imaging (NBI) and confirmed by pathological examination in another hospital. The pathological results showed a high-grade squamous intraepithelial lesion (HSIL) in the biopsy specimen, and immunochemistry staining showed P16 positive, suggesting HPV infection. We performed pre-resection endoscopic examination for the patient. A lesion with a clear margin and tortuous dilated vessels was revealed under magnifying endoscopy with NBI (ME-NBI), which stayed unstained after iodine spraying. The lesion was successfully removed en bloc using ESD without complications, and the resected specimen was a low-grade squamous intraepithelial lesion (LSIL) with positive immunochemistry staining of P16. The patient underwent follow-up coloscopy a year after ESD, and the anal canal healed well with no suspicious lesions found. From this case, we can learn that ESD is safe and effective for curative resection of precancerous lesions of the anal canal.
机构:
Soonchunhyang Univ Hosp, Dept Med Biostat, Seoul 04401, South KoreaSoonchunhyang Univ Hosp, Digest Dis Ctr, 59 Daesagwan Ro, Seoul 04401, South Korea
机构:
Iwate Med Univ, Div Gastroenterol, Dept Internal Med, Morioka, Iwate, JapanIwate Med Univ, Div Gastroenterol, Dept Internal Med, Morioka, Iwate, Japan
Kawasaki, Keisuke
Eizuka, Makoto
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Iwate Med Univ, Dept Diagnost Pathol, Morioka, Iwate, JapanIwate Med Univ, Div Gastroenterol, Dept Internal Med, Morioka, Iwate, Japan
Eizuka, Makoto
Nakamura, Shotaro
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Iwate Med Univ, Div Gastroenterol, Dept Internal Med, Morioka, Iwate, JapanIwate Med Univ, Div Gastroenterol, Dept Internal Med, Morioka, Iwate, Japan
Nakamura, Shotaro
Sugai, Tamotsu
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Iwate Med Univ, Dept Diagnost Pathol, Morioka, Iwate, JapanIwate Med Univ, Div Gastroenterol, Dept Internal Med, Morioka, Iwate, Japan
Sugai, Tamotsu
Matsumoto, Takayuki
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Iwate Med Univ, Div Gastroenterol, Dept Internal Med, Morioka, Iwate, JapanIwate Med Univ, Div Gastroenterol, Dept Internal Med, Morioka, Iwate, Japan
机构:
Yokohama City Univ, Med Ctr, Div Endoscopy, Yokohama, Kanagawa, Japan
Yokohama City Univ, Med Ctr, Inflammatory Bowel Dis Ctr, Yokohama, Kanagawa, JapanYokohama City Univ, Med Ctr, Div Endoscopy, Yokohama, Kanagawa, Japan
Nishio, Masafumi
Hirasawa, Kingo
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Yokohama City Univ, Med Ctr, Div Endoscopy, Yokohama, Kanagawa, JapanYokohama City Univ, Med Ctr, Div Endoscopy, Yokohama, Kanagawa, Japan
Hirasawa, Kingo
Saigusa, Yusuke
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Yokohama City Univ, Grad Sch Med, Dept Biostat, Yokohama, Kanagawa, JapanYokohama City Univ, Med Ctr, Div Endoscopy, Yokohama, Kanagawa, Japan
Saigusa, Yusuke
Shiqi, Zhao
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Yokohama City Univ, Grad Sch Med, Dept Biostat, Yokohama, Kanagawa, JapanYokohama City Univ, Med Ctr, Div Endoscopy, Yokohama, Kanagawa, Japan
Shiqi, Zhao
Kenemura, Tokomi
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Yokohama City Univ, Med Ctr, Div Endoscopy, Yokohama, Kanagawa, JapanYokohama City Univ, Med Ctr, Div Endoscopy, Yokohama, Kanagawa, Japan
Kenemura, Tokomi
Hama, Takanori
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Yokohama City Univ, Med Ctr, Div Endoscopy, Yokohama, Kanagawa, JapanYokohama City Univ, Med Ctr, Div Endoscopy, Yokohama, Kanagawa, Japan
Hama, Takanori
Atsusaka, Reo
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Yokohama City Univ, Med Ctr, Div Endoscopy, Yokohama, Kanagawa, JapanYokohama City Univ, Med Ctr, Div Endoscopy, Yokohama, Kanagawa, Japan
Atsusaka, Reo
Azuma, Daisuke
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Yokohama City Univ, Med Ctr, Div Endoscopy, Yokohama, Kanagawa, JapanYokohama City Univ, Med Ctr, Div Endoscopy, Yokohama, Kanagawa, Japan
Azuma, Daisuke
Ozeki, Yuichiro
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Yokohama City Univ, Med Ctr, Div Endoscopy, Yokohama, Kanagawa, JapanYokohama City Univ, Med Ctr, Div Endoscopy, Yokohama, Kanagawa, Japan
Ozeki, Yuichiro
Sawada, Atsushi
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Yokohama City Univ, Med Ctr, Div Endoscopy, Yokohama, Kanagawa, JapanYokohama City Univ, Med Ctr, Div Endoscopy, Yokohama, Kanagawa, Japan
Sawada, Atsushi
Ikeda, Ryosuke
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Yokohama City Univ, Med Ctr, Div Endoscopy, Yokohama, Kanagawa, JapanYokohama City Univ, Med Ctr, Div Endoscopy, Yokohama, Kanagawa, Japan
Ikeda, Ryosuke
Fukuchi, Takehide
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Yokohama City Univ, Med Ctr, Div Endoscopy, Yokohama, Kanagawa, JapanYokohama City Univ, Med Ctr, Div Endoscopy, Yokohama, Kanagawa, Japan
Fukuchi, Takehide
Kobayashi, Ryosuke
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Yokohama City Univ, Med Ctr, Div Endoscopy, Yokohama, Kanagawa, JapanYokohama City Univ, Med Ctr, Div Endoscopy, Yokohama, Kanagawa, Japan
Kobayashi, Ryosuke
Sato, Chiko
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Yokohama City Univ, Med Ctr, Div Endoscopy, Yokohama, Kanagawa, JapanYokohama City Univ, Med Ctr, Div Endoscopy, Yokohama, Kanagawa, Japan
Sato, Chiko
Ogashiwa, Tsuyoshi
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Yokohama City Univ, Med Ctr, Inflammatory Bowel Dis Ctr, Yokohama, Kanagawa, JapanYokohama City Univ, Med Ctr, Div Endoscopy, Yokohama, Kanagawa, Japan
Ogashiwa, Tsuyoshi
Chiba, Sawako
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Yokohama City Univ, Med Ctr, Div Diagnost Pathol, Yokohama, Kanagawa, JapanYokohama City Univ, Med Ctr, Div Endoscopy, Yokohama, Kanagawa, Japan
Chiba, Sawako
Inayama, Yoshiaki
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Yokohama City Univ, Med Ctr, Div Diagnost Pathol, Yokohama, Kanagawa, JapanYokohama City Univ, Med Ctr, Div Endoscopy, Yokohama, Kanagawa, Japan
机构:
Department of Gastroenterology, Sum Ultimate Medicare, Bhubaneswar, Odisha, IndiaDepartment of Gastroenterology, Sum Ultimate Medicare, Bhubaneswar, Odisha, India