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  1. No Access

    Article

    Totally laparoscopic stapled distal pancreatectomy

    To evaluate the outcomes of totally laparoscopic distal pancreatectomy (LDP).

    Hirokatsu Katagiri, Akira Sasaki, Hiroyuki Nitta, Takeshi Takahara in Surgery Today (2012)

  2. Article

    Open Access

    Evaluation of chemosensitivity prediction using quantitative dose–response curve classification for highly advanced/relapsed gastric cancer

    The use of standard chemotherapy regimens has changed the application of chemosensitivity tests from all chemotherapy-eligible patients to those who have failed standard chemotherapy, which includes patients w...

    Teppei Matsuo, Satoshi S Nishizuka, Kazushige Ishida in World Journal of Surgical Oncology (2013)

  3. Article

    Open Access

    α-Amanitin Restrains Cancer Relapse from Drug-Tolerant Cell Subpopulations via TAF15

    Cancer relapse occurs with substantial frequency even after treatment with curative intent. Here we studied drug-tolerant colonies (DTCs), which are subpopulations of cancer cells that survive in the presence ...

    Kohei Kume, Miyuki Ikeda, Sawako Miura, Kohei Ito, Kei A. Sato in Scientific Reports (2016)

  4. No Access

    Article

    Safely extending the indications of laparoscopic liver resection: When should we start laparoscopic major hepatectomy?

    Laparoscopic major hepatectomy (LMH) is an innovative procedure that is still in the exploration phase. Although new surgical techniques have learning curves, safety should be maintained from the onset. This r...

    Yasushi Hasegawa, Hiroyuki Nitta, Takeshi Takahara in Surgical Endoscopy (2017)

  5. No Access

    Article

    A novel model for prediction of pure laparoscopic liver resection surgical difficulty

    Extending the clinical indications for laparoscopic liver resection (LLR) should be carefully considered based on a surgeon’s experience and skill. However, objective indexes to help surgeons assess the estima...

    Yasushi Hasegawa, Go Wakabayashi, Hiroyuki Nitta, Takeshi Takahara in Surgical Endoscopy (2017)

  6. No Access

    Article

    Pure laparoscopic living donor hepatectomy using the Glissonean pedicle approach (with video)

    The use of pure laparoscopic donor hepatectomy has been increasing, with various advantages reported. However, the Glissonean approach has not been adopted despite its usefulness. The aim of this study was to ...

    Yasushi Hasegawa, Hiroyuki Nitta, Takeshi Takahara in Surgical Endoscopy (2019)

  7. No Access

    Article

    Prognostic factors and a new preliminary scoring system for remission of type 2 diabetes mellitus after laparoscopic sleeve gastrectomy

    To evaluate the early remission rate of type 2 diabetes mellitus (T2DM) after laparoscopic sleeve gastrectomy (LSG) and establish a preliminary scoring system that predicts T2DM remission.

    Akira Umemura, Akira Sasaki, Hiroyuki Nitta, Haruka Nikai, Shigeaki Baba in Surgery Today (2020)

  8. No Access

    Article

    Anterior approach for pure laparoscopic donor right hepatectomy

    Pure laparoscopic donor hepatectomy (PLDH) is being increasingly performed at centers with experienced surgeons [16]. This procedure is still develo** and is associated with several challenges owing to its tec...

    Yasushi Hasegawa, Hiroyuki Nitta, Takeshi Takahara in Surgical Endoscopy (2020)

  9. Article

    Open Access

    Pancreatic ductal adenocarcinoma in a patient with pancreas divisum and gastrointestinal duplication cyst: a case report

    The complication of duplication of alimentary tracts and pancreas divisum (PD) is a rare malformation and the development of pancreatic ductal adenocarcinoma (PDAC) in this malformation is also extremely rare....

    Naoto Takahashi, Hiroyuki Nitta, Akira Umemura, Hirokatsu Katagiri in Surgical Case Reports (2021)

  10. No Access

    Article

    Pure Laparoscopic Donor Hepatectomy: Right Posterior Section Graft

    The use of laparoscopic liver resection (LLR) is widespread owing to its several advantages, especially smaller incision (Kaneko et al., Ann Gastroenterol Surg 1:33–43, 1; Ciria et al., Surg Endosc 34:349–360, 2)...

    Yasushi Hasegawa, Hiroyuki Nitta, Takeshi Takahara in Journal of Gastrointestinal Surgery (2021)

  11. Article

    Open Access

    Laparoscopic distal pancreatectomy for metastatic melanoma originating from the choroidal membrane: a case report

    Metastatic melanoma originating from the choroidal membrane is extremely rare. Here, we report a case of laparoscopic distal pancreatectomy for malignant melanoma that developed after heavy-particle therapy fo...

    Shigeaki Baba, Yuji Akiyama, Fumitaka Endo, Haruka Nikai in Surgical Case Reports (2021)

  12. Article

    Open Access

    Standardized single-incision plus one-port laparoscopic left lateral sectionectomy: a safe alternative to the conventional procedure

    Laparoscopic left lateral sectionectomy (LLLS) is a feasible and safe procedure with a relatively smooth learning curve. However, single-incision LLLS requires extensive surgical experience and advanced techni...

    Hirokatsu Katagiri, Hiroyuki Nitta, Takeshi Takahara in Langenbeck's Archives of Surgery (2022)

  13. Article

    Open Access

    A novel second-stage surgical strategy for severely obese patient with pancreatic neuroendocrine tumor: a case report

    Severely obese patients can have other diseases requiring surgical treatment. In such patients, bariatric surgeries are considered a precursor to operations targeting the original disease for the purpose of re...

    Akira Umemura, Akira Sasaki, Hiroyuki Nitta, Hirokatsu Katagiri in Surgical Case Reports (2022)

  14. Article

    Open Access

    A case of pathological complete response with liposomal irinotecan + 5-FU/LV for unresectable locally advanced pancreatic cancer

    Pancreatic cancer has one of the worst prognoses of any all cancers. 5-FU/leucovorin + irinotecan + oxaliplatin (FOLFIRINOX), gemcitabine (GEM) plus nab-paclitaxel regimens have been recognized as global-stand...

    Koji Kikuchi, Akira Umemura, Hiroyuki Nitta, Hirokatsu Katagiri in Surgical Case Reports (2022)

  15. No Access

    Article

    Improvements of lung volumes and respiratory symptoms after weight loss through laparoscopic sleeve gastrectomy

    This study evaluated the improvement of respiratory function and airway volumes using spirometry and computed tomography (CT) in severely obese Japanese patients undergoing laparoscopic sleeve gastrectomy (LSG...

    Akira Umemura, Akira Sasaki, Haruka Nikai in Langenbeck's Archives of Surgery (2022)

  16. No Access

    Article

    Risk-Adjusted Assessment of the Learning Curve for Pure Laparoscopic Donor Hepatectomy for Adult Recipients

    Studies on pure laparoscopic donor hepatectomy (PLDH) have been reported. However, only few studies have reported on the learning curve of PLDH. In this report, we aimed to determine the learning curve of PLDH...

    Koji Kikuchi, Hiroyuki Nitta, Akira Umemura, Hirokatsu Katagiri in World Journal of Surgery (2023)