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    Article

    Solitary juvenile polyp of the rectum with intramucosal adenocarcinoma

    We describe a case of solitary juvenile polyp of the rectum with intramucosal adenocarcinoma. A 55-year-old man presented to our hospital for evaluation after a positive fecal occult blood test. Colonoscopy re...

    Kazuki Nagai, Uichiro Fuchizaki, Yoshimichi Ueda in Clinical Journal of Gastroenterology (2023)

  2. Article

    Open Access

    Comparison of the regressive effects of aflibercept and brolucizumab on pigment epithelial detachment

    To compare the regressive effects of aflibercept and brolucizumab on pigment epithelial detachment (PED) in age-related macular degeneration.

    Ryo Mukai, Hidetaka Matsumoto, Kazuki Nagai, Hideo Akiyama in BMC Ophthalmology (2022)

  3. Article

    Open Access

    Incidence of endophthalmitis after intravitreal injection of an anti-VEGF agent with or without topical antibiotics

    Intravitreal injection (IVI) of anti-vascular endothelial growth factor (VEGF) is the standard treatment modality in various types of retinal diseases. However, endophthalmitis remains the most serious complic...

    Masakazu Morioka, Yoshihiro Takamura, Kazuki Nagai, Shigeo Yoshida in Scientific Reports (2020)

  4. Article

    Open Access

    2,3-Dihydroxybenzoate meta-Cleavage Pathway is Involved in o-Phthalate Utilization in Pseudomonas sp. strain PTH10

    Pseudomonas sp. strain PTH10 can utilize o-phthalate which is a key intermediate in the bacterial degradation of some polycyclic aromatic hydrocarbons. In this strain, o-phthalate is degraded to 2,3-dihydroxybenz...

    Daisuke Kasai, Takumi Iwasaki, Kazuki Nagai, Naoto Araki in Scientific Reports (2019)

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    Article

    Factors associated with poor therapeutic response in outpatients with irritable bowel syndrome: a multicenter study in Japan

    Some patients with irritable bowel syndrome (IBS) show poor response to treatment. However, risk factors associated with poor therapeutic response have not been determined.

    Eiji Yamada, Seishi Tsunoda, Tsuyoshi Abe, Eri Uchida in Journal of Gastroenterology (2017)

  6. Article

    Open Access

    Suspected idiopathic sclerosing orbital inflammation presenting as immunoglobulin G4-related disease: a case report

    Idiopathic sclerosing orbital inflammation is a rare and ill-defined heterogeneous entity, and a distinct subset of orbital inflammation. Recently, attention has been focused on immunoglobulin G4-related disea...

    Kazuki Nagai, Kazuo Andoh, Noriko Nakamura in Journal of Medical Case Reports (2011)

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    Article

    Highly active antiretroviral therapy used to treat concurrent hepatitis B and human immunodeficiency virus infections

    We report a case of simultaneous infection with hepatitis B virus (HBV) and human immunodeficiency virus type 1 (HIV-1) in a 26-year-old Japanese homosexual man. He was admitted to our hospital for acute hepa...

    Kazuki Nagai, Hiroo Hosaka, Shuichi Kubo, Noriko Nakamura in Journal of Gastroenterology (1999)

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    Article

    Malignant transformation of Nakamura type IV gastric polyp with CA 19-9 production

    In a 68-year-old Japanese man, a gastric polyp 24 mm in diameter with a stalk 15 mm in diameter was diagnosed as well differentiated adenocarcinoma and treated by endoscopic polypectomy. Histologically, most ...

    Kazuki Nagai, Koji Ishii, Katsuhiko Matsumaru in Journal of Gastroenterology (1998)