Haruhiro Nakazaki
Toho University
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Featured researches published by Haruhiro Nakazaki.
Indian Journal of Gastroenterology | 2017
Hirohito Shimizu; Keiji Matsui; Shogo Iwabuchi; Tomoaki Fujikawa; Mitsuru Nagata; Kentaro Takatsuka; Hiroyuki Tanemura; Haruhiro Nakazaki; Masayuki Nakano; Tsunamasa Watanabe
Recently, two conflicting articles about recurrence of hepatocellular carcinoma (HCC) after direct acting antivirals (DAA) against hepatitis C virus (HCV) were published. We investigated the relationship between DAA and HCC recurrence. Eligible patients were (1) history of HCC and treated curatively with interventions, and (2) interferon-free DAA therapy was initiated after eradication of HCC. We analyzed contributing factor for HCC recurrence. Ten out of 23 participants (43%) encountered recurrence of HCC. Age, sex, diabetes mellitus, fibrosis score, chemistry, and alpha-fetoprotein did not differ between patients with recurrence and patients without recurrence. The patients with recurrence had significantly higher values of antibody to hepatitis B core antigen (anti-HBc) than the patients without recurrence, 6.06±3.75 vs. 0.91±2.43 (p=0.0019). The relative risk of HCC recurrence comparing anti-HBc positive to negative was 5.2 (95% confidence interval 1.40 to 19.32). Odds ratio was 22.0 (95% confidence interval 2.5 to 191.1). We conclude that anti-HBc positivity was a strong contributing factor for HCC recurrence after DAA therapy.
World Journal of Hepatology | 2017
Shota Akabane; Takushiro Ban; Shunsaku Kouriki; Hiroyuki Tanemura; Haruhiro Nakazaki; Masayuki Nakano; Nobuaki Shinozaki
Spontaneous rupture is one of the most fatal complications of hepatic tumors such as hepatocellular carcinoma. In fact, many studies have shown that the in-hospital and 30-d mortality rates are as high as 25%-100%. Cholangiolocellular carcinoma (CoCC) is a rare primary hepatic tumor, usually small in size, that is thought to originate from the ductules and/or canals of Hering. Here, we present a case of spontaneous rupture of a CoCC that was successfully resected by radical surgery. Although CoCC is a rare primary hepatic tumor, it demonstrates certain specific clinical features, including a better prognosis than for other primary liver cancers, and thus should be distinguished from those other cancers. Moreover, CoCC can appear as a ruptured huge tumor, and when it does, radical hepatectomy can be an effective measure to achieve both absolute hemostasis and curability of tumor.
Kanzo | 2004
Masahiro Kanayama; Koji Ishii; Noritaka Wakui; Kouichi Momiyama; Motoi Takeuchi; Katsuhiko Matsumaru; M. Shinohara; Hidenari Nagai; Manabu Watanabe; Kazumasa Miki; Haruhiro Nakazaki; Hiroko Nonaka; Keiko Kobayashi; Takeyori Saheki; Yasukiyo Sumino
シトルリン血症は尿素サイクルの一つであるアルギニノコハク酸合成酵素 (ASS) の欠損, あるいは活性低下により高シトルリン血症および高アンモニア血症を呈して意識障害を発現する, 常染色体劣性遺伝を示す疾患である. 本症例は幼児期から学業成績不良で, 青年期にはナルコレプシーやてんかんと診断され, 平成12年に刑事事件を起こし, 精神鑑定で精神病と認定された. その後に肝硬変・肝細胞癌が発見され, 右葉切除を受けていた. 今回, 他医でブドウ糖7.5%加アミノ酸製剤の輸液を契機に昏睡状態となり当院救命救急センターに搬入され, 血漿アンモニア値の著増から血漿アミノ酸分析を行い, シトルリンが高値であったため分子遺伝学的検索を行った. その結果, SLC25A13遺伝子の変異を認め成人発症II型シトルリン血症(CTLN2)と診断された.
Jpn J Gastroenterol Surg, Nihon Shokaki Geka Gakkai zasshi | 1988
Masashi Watanabe; Toshimichi Maeda; Toshifumi Yoshio; Haruhiro Nakazaki; Hidetoshi Haba; Kazuki Tsudita; Yukitake Hasebe; Kikue Tanaka
は じめに 手掌紅斑,ク モ状血管腫は認められなかった。 診断技術の発達,早 期発見,早 期治療による予後の 入 院時血液生化学検査 :末檎血で軽度の自血球の増 改善,平 均寿命の延長などにより,近 年,各 種組合せ 加 を認めた。生化学検査は正常であったが,ICG 15分 の重複悪性腫瘍が増加しつつある11われわれは,原発 値 は11%と軽度上昇していた,HBs Ag,HBs Abと 性肝癌のうちでもまれな混合型肝癌と肺扁平上皮癌, も 高くなかった。2-fetO protein(AFP)は 正常範囲内 S状 結腸癌が同時性に認められた 1例を経験したので で あったが,carcinOembryonic antigen(CEAル ま16.0 文献的考察を加えて報告する。 症 例 症例 :73歳,男 性,無 職. 主訴 :亥嗽. ng/dlと上昇していた (表1). 入院時胸部 X線 写真では,右 下肺野に境界不整な 70×60mmの 腫瘤陰影を認めた。気管支鏡検査にて右 下棄 B9の入田部に粘膜表面の平滑な狭窄像を認め,生 嗜好品 :煙草 1日20本50年間, ビール毎日2本. 検 の結果,扁 平上皮癌と診断した。また 3回の喀疾細 家族歴,既 往歴 t特記事項はなかった。 現病歴 :昭和60年 3月 下旬より咳嗽,発 熱,全 身俗 表 1 入 院時血液生化学校査
Journal of Hepato-biliary-pancreatic Surgery | 2004
Masashi Watanabe; Haruhiro Nakazaki; Natsuki Tokura; Wataru Takita; Kazuo Kobayashi
Journal of Surgical Oncology | 2004
Masashi Watanabe; Wataru Takita; Haruhiro Nakazaki; Hiroyuki Tanemura; Hironori Kaneko; Kazuo Kobayashi
Nihon Rinsho Geka Gakkai Zasshi (journal of Japan Surgical Association) | 2002
Yukitake Hasebe; Haruhiro Nakazaki; Masashi Watanabe; Mitsuru Oshiro; Wataru Takita; Akira Seo; Yasuhiro Shimojima; Tatsuo Teramoto; Kazuo Kobayashi; Keihachiro Hirano; Hiroko Nonaka
Nihon Rinsho Geka Gakkai Zasshi (journal of Japan Surgical Association) | 2000
Masashi Watanabe; Haruhiro Nakazaki; Yukitake Hasebe; Wataru Takita; Kazuo Kobayashi; Hiroko Nonaka
Jpn J Gastroenterol Surg, Nihon Shokaki Geka Gakkai zasshi | 2000
Haruhiro Nakazaki; Masashi Watanabe; Yukitake Hasebe; Natuki Tokura; Mituru Ooshiro; Wataru Takita; Toshitugu Miki; Akira Seo; Akiharu Kurihara; Kazuo Kobayashi
Nippon Daicho Komonbyo Gakkai Zasshi | 1999
Haruhiro Nakazaki; Masashi Watanabe; Yukitake Hasebe; Yasushi Suzuki; M. Ohshiro; Wataru Takita; Akira Seo; Yasuhiro Shimojima; Kimihiko Funahashi; Kazunori Tsujita; Kazuo Kobayashi; T. Yoshio