Skip to main content

and
  1. Article

    Open Access

    Isobutyric acid enhances the anti-tumour effect of anti-PD-1 antibody

    The low response rate of immune checkpoint inhibitors (ICIs) is a challenge. The efficacy of ICIs is influenced by the tumour microenvironment, which is controlled by the gut microbiota. In particular, intesti...

    Masakazu Murayama, Masahiro Hosonuma, Atsuo Kuramasu, Sei Kobayashi in Scientific Reports (2024)

  2. Article

    Open Access

    Thoracoscopic McKeown esophagectomy in a patient with an azygos lobe

    The azygos lobe is a relatively rare anatomical variation, and there have been no reports, until date, of thoracoscopic McKeown esophagectomy for esophageal cancer in a patient with an azygos lobe. The azygos ...

    Rie Nakashima, Kohei Tajima, Kazuo Koyanagi in Journal of Cardiothoracic Surgery (2024)

  3. Article

    Open Access

    Butyricimonas is a key gut microbiome component for predicting postoperative recurrence of esophageal cancer

    Recently, intestinal bacteria have attracted attention as factors affecting the prognosis of patients with cancer. However, the intestinal microbiome is composed of several hundred types of bacteria, necessita...

    Koji Otsuka, Junya Isobe, Yoshiyuki Asai in Cancer Immunology, Immunotherapy (2024)

  4. No Access

    Article

    Usefulness of skeletal muscle measurement by computed tomography in patients with esophageal cancer: changes in skeletal muscle mass due to neoadjuvant therapy and the effect on the prognosis

    This analysis was performed to clarify the usefulness of skeletal muscle measurements using computed tomography (CT) in patients with esophageal cancer and the effect of treatment-induced changes in the skelet...

    Miho Yamamoto, Soji Ozawa, Kazuo Koyanagi, Akihito Kazuno, Yamato Ninomiya in Surgery Today (2023)

  5. No Access

    Article

    Indocyanine green fluorescence imaging for evaluating blood flow in the reconstructed conduit after esophageal cancer surgery

    We investigated the effectiveness of indocyanine green (ICG) fluorescence blood flow imaging of the gastric conduit to evaluate anastomotic leakage after esophagectomy. We identified 19 articles using the PRIS...

    Kazuo Koyanagi, Soji Ozawa, Yamato Ninomiya, Kentaro Yatabe in Surgery Today (2022)

  6. Article

    Open Access

    Distal gastric tube resection with preservation of the right gastroepiploic artery for gastric tube cancer: a case report

    The incidence of gastric tube cancer is increasing because of improved survival rates in patients with esophageal cancer treated by esophagectomy. Total resection of the gastric tube is expected to be highly c...

    Kohei Tajima, Hideo Shimada, Takayuki Nishi, Yutaro Kamei in Surgical Case Reports (2021)

  7. No Access

    Article

    Usefulness of prone-position computed tomography as preoperative simulation prior to thoracoscopic esophagectomy for thoracic esophageal cancer

    The study aimed to evaluate the usefulness of prone-position computed tomography (CT) for predicting relevant thoracic procedure outcomes in minimally invasive esophagectomy (MIE) for thoracic esophageal cancer.

    Tadashi Higuchi, Soji Ozawa, Kazuo Koyanagi, Yamato Ninomiya, Kentaro Yatabe in Esophagus (2021)

  8. Article

    Open Access

    Small bowel obstruction caused by a true ileo-ileal knot: a rare case successfully treated by prior ligation of mesenteric vessels

    Intestinal knot formation, in which two segments of the intestine become knotted together, can result in intestinal obstruction. An ileo-ileal knot refers to knot formation between two ileal segments and is a ...

    Kohei Kanamori, Kazuo Koyanagi, Hitoshi Hara, Kenji Nakamura in Surgical Case Reports (2021)

  9. Article

    Open Access

    Three resected cases of esophageal carcinoma considered as being secondary solid tumors after bone marrow transplantation

    Bone marrow transplantation is now an established treatment for some hematopoietic disorders and hematopoietic malignancies, and secondary solid tumors that develop after bone marrow transplantation have begun...

    Yamato Ninomiya, Soji Ozawa, Kazuo Koyanagi, Miho Yamamoto in Surgical Case Reports (2021)