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    Spontaneous reactivation of hepatitis B virus with a frameshift mutation in the precore region in an elderly hepatitis B virus carrier with lifestyle-related diseases

    A 76-year-old woman with spontaneous reactivation of hepatitis B virus (HBV) without any immunosuppressants who had been successfully treated with tenofovir alafenamide fumarate (TAF) was reported. The patient...

    Satoshi Takakusagi, Hitoshi Takagi, Yozo Yokoyama in Clinical Journal of Gastroenterology (2021)

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    The development of broncho-biliary fistula after treatment for hepatocellular carcinoma: a report of two cases

    Broncho-biliary fistula (BBF) is a rare but severe disorder defined as abnormal communication between the biliary system and bronchial tree. Cases of BBF have occasionally been reported, but no standard treatm...

    Satoshi Takakusagi, Takashi Hoshino, Hitoshi Takagi in Clinical Journal of Gastroenterology (2021)

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    An autopsy case of primary jejunal pouch cancer which protruded from the abdominal wall 14 years after total gastrectomy for gastric cancer

    Adenocarcinoma which develops in the jejunal pouch has rarely been reported, but most of such cases tend to be a recurrence of primary cancer due to the presence of residual or disseminated cancer cells. Prima...

    Yuki Kanayama, Hitoshi Takagi, Satoshi Takakusagi in Clinical Journal of Gastroenterology (2020)

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    Hepatitis C virus-associated decompensated liver cirrhosis with refractory hepatic encephalopathy successfully treated by balloon-occluded retrograde transvenous obliteration after sofosbuvir/velpatasvir

    Sofosbuvir/velpatasvir (SOF/VEL) is expected to be highly effective, even in patients with decompensated liver cirrhosis. However, portal hypertension can be problematic after achieving a sustained viral respo...

    Satoshi Takakusagi, Megumi Shimizu, Yozo Yokoyama in Clinical Journal of Gastroenterology (2020)

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    Successful treatment with glecaprevir/pibrentasvir for chronic hepatitis C complicated by primary biliary cholangitis

    Cases of autoimmune liver diseases complicated with hepatitis C (HCV) infection have occasionally been reported. However, the efficacy and safety of direct acting antivirals for chronic hepatitis C (CHC) compl...

    Satoshi Takakusagi, Hitoshi Takagi, Yozo Yokoyama in Clinical Journal of Gastroenterology (2020)

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    Sudden bilateral sensorineural hearing loss as the presenting symptom of meningeal carcinomatosis of gastric cancer: Report of a case

    Meningeal carcinomatosis is the diffuse infiltration of the meninges by metastatic carcinoma. A 62-year-old man presented with a sudden onset of profound hearing loss affecting both ears. Brain magnetic resona...

    Tetsuro Ohno, Yozo Yokoyama, Ryuusuke Aihara, Erito Mochiki, Takayuki Asao in Surgery Today (2010)