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  1. Article

    Open Access

    Spontaneous intercostal artery bleeding occurring simultaneously in numerous vessels during antithrombotic therapy with mechanical circulatory support: a case report

    Intercostal artery bleeding often occurs in a single vessel; in rare cases, it can occur in numerous vessels, making it more difficult to manage.

    Kazuto Ohtaka, Setsuyuki Ohtake, Yu Ishii, Saya Kaku in Journal of Medical Case Reports (2024)

  2. No Access

    Article

    Impact of pulmonary vein-first ligation during lobectomy on the postoperative survival and recurrence rates in patients with non-small cell lung cancer: a multicenter propensity score-matched study

    Surgical manipulation of the lungs increases the number of circulating tumor cells and the subsequent risk of metastasis in patients with lung cancer. This study investigated whether or not ligating the tumor-...

    Haruhiko Shiiya, Hideki Ujiie, Ryohei Chiba, Shunsuke Nomura in Surgery Today (2024)

  3. Article

    Open Access

    Metastatic lung tumor from hepatocellular carcinoma with tumor thrombus invasion in the pulmonary vein: a case report

    Metastatic lung tumor with a tumor thrombus in the peripheral pulmonary vein is very rare. We present a case of a metastatic lung tumor from hepatocellular carcinoma (HCC) with tumor thrombus invasion in the p...

    Kazuto Ohtaka, Setsuyuki Ohtake, Yu Ishii, Saya Kaku in Journal of Cardiothoracic Surgery (2023)

  4. Article

    Open Access

    Hepatocellular carcinoma with regional lymphadenopathy caused by sarcoid-like reaction: a case report

    Sarcoid-like reaction (SLR) is a histological pattern of granulomatous inflammation that is clinically differentiated from sarcoidosis. Since SLR is known to occur in several neoplasias and occasionally causes...

    Tomoko Mizota, Masato Suzuoki, Saya Kaku, Kenichi Mizunuma in Surgical Case Reports (2021)

  5. Article

    Open Access

    A left lung abscess with a displaced subsegmental bronchus and anomalous pulmonary artery and vein: a case report

    Since a displaced bronchus related to the left upper lobe is an uncommon anatomical anomaly, it has a risk of being accidentally resected during left upper lobe resection unless they are identified preoperativ...

    Kazuto Ohtaka, Nozomu Iwashiro, Kazunori Watanabe, Tomoko Mizota in Surgical Case Reports (2019)

  6. No Access

    Article

    Long-term survival after repeated resection of metachronous lung metastases from pStage IA pancreatic adenocarcinoma

    A 70-year-old woman with pancreatic ductal adenocarcinoma was initially treated by distal pancreatectomy (DP). Thirty-five months later, another tumor appeared in the pancreatic head and was treated by pancrea...

    Mamoru Miyasaka, Takehiro Noji, Kazuto Ohtaka in Clinical Journal of Gastroenterology (2018)

  7. Article

    Open Access

    Blood stasis may cause thrombosis in the left superior pulmonary vein stump after left upper lobectomy

    We previously reported that arterial infarction of vital organs after lobectomy might occur only after left upper lobectomy and be caused by thrombosis in the left superior pulmonary vein stump. We hypothesize...

    Kazuto Ohtaka, Yasuhiro Takahashi, Satoko Uemura in Journal of Cardiothoracic Surgery (2014)

  8. Article

    Open Access

    Video-assisted thoracoscopic surgery using mobile computed tomography: New method for locating of small lung nodules

    The O-arm is an intraoperative imaging device that can provide computed tomography images. Surgery for small lung tumors was performed based on intraoperative computed tomography images obtained using the O-ar...

    Kazuto Ohtaka, Yasuhiro Takahashi, Kichizo Kaga in Journal of Cardiothoracic Surgery (2014)

  9. Article

    Open Access

    Left upper lobectomy can be a risk factor for thrombosis in the pulmonary vein stump

    Thrombosis in the left upper pulmonary vein stump after left upper lobectomy is a very rare but important complication because it occurs in the systemic circulation system. We previously made the first ever re...

    Kazuto Ohtaka, Yasuhiro Hida, Kichizo Kaga in Journal of Cardiothoracic Surgery (2014)

  10. Article

    Open Access

    Limited resection and two-staged lobectomy for non-small cell lung cancer with ground-glass opacity

    Lung tumors showing ground-glass opacities on high-resolution computed tomography indicate the presence of inflammation, atypical adenomatous hyperplasia, or localized bronchioloalveolar carcinoma. We adopted ...

    Kazuto Ohtaka, Yasuhiro Hida, Kichizo Kaga in Journal of Cardiothoracic Surgery (2013)

  11. Article

    Open Access

    Video-assisted thoracoscopic left lower lobectomy in a patient with lung cancer and a right aortic arch

    A right aortic arch is a rare congenital anomaly, with a reported incidence of around 0.1%. A patient with a right aortic arch underwent video-assisted thoracic surgery left lower lobectomy and mediastinal lym...

    Hideyuki Wada, Yasuhiro Hida, Kichizo Kaga in Journal of Cardiothoracic Surgery (2012)