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  1. No Access

    Article

    The findings of the contrast-enhanced CT and risk factors for hepatic infarction after pancreatoduodenectomy

    Hepatic infarction is a relatively rare life-threatening complication after pancreatoduodenectomy (PD). Computed tomography (CT) findings and risk factors for hepatic infarctions after PD were investigated.

    Daisuke Shindo, Akira Yamamoto, Ryosuke Amano in Japanese Journal of Radiology (2020)

  2. Article

    Open Access

    A case of perforation of a pancreatic duct by a pancreatic stent during chemoradiotherapy for pancreatic head cancer: a case report

    Pancreatic injuries are rare, and no treatment plan has yet been established for grade III injuries. In many cases, pancreatic stent placement has resulted in saving patients. However, some cases of perforatio...

    Takuya Mori, Go Ohira, Kenjiro Kimura, Sadaaki Yamazoe in Surgical Case Reports (2019)

  3. Article

    Open Access

    A case of complete splenic infarction after laparoscopic spleen-preserving distal pancreatectomy

    Laparoscopic spleen-preserving distal pancreatectomy (LSPDP), a newly developed operative procedure, is indicated for benign and low-grade malignant disease of the pancreas. However, few studies have reported ...

    Kenjiro Kimura, Go Ohira, Ryosuke Amano, Sadaaki Yamazoe, Ryota Tanaka in BMC Surgery (2018)

  4. Article

    Open Access

    A case of bowel perforation due to traumatic hernia at a pelvic fracture site: a case report and review of the literature

    Common complications of pelvic fractures include visceral injury, large-volume hemorrhage, genitourinary injury, rectal injury, and pulmonary embolism. On the other hand, traumatic hernia is a rare complicatio...

    Ryota Tanaka, Hisashi Nagahara, Kiyoshi Maeda, Hiroshi Ohtani in BMC Surgery (2017)

  5. No Access

    Article

    The impact of the preoperative peripheral lymphocyte count and lymphocyte percentage in patients with colorectal cancer

    We evaluated the prognostic significance of the peripheral lymphocyte count and lymphocyte percentage, which reflect the preoperative immune status, in patients with colorectal cancer (CRC) and then compared t...

    Yasuhito Iseki, Masatsune Shibutani, Kiyoshi Maeda, Hisashi Nagahara in Surgery Today (2017)

  6. Article

    Open Access

    Preoperative predictors for early recurrence of resectable pancreatic cancer

    The first-line treatment for resectable pancreatic cancer (RPC) is surgical resection. However, our patients have often experienced early recurrence after curative resection for RPC, with desperately poor prog...

    Kohei Nishio, Kenjiro Kimura, Ryosuke Amano in World Journal of Surgical Oncology (2017)

  7. Article

    Open Access

    Giant duodenal ulcers after neurosurgery for brainstem tumors that required reoperation for gastric disconnection: a report of two cases

    Despite the efficacy of pharmacotherapy for gastrointestinal ulcers, severe cases of bleeding or perforation due to gastrointestinal ulcers still occur. Giant duodenal ulcer perforation is an uncommon but diff...

    Chihoko Nobori, Kenjiro Kimura, Go Ohira, Ryosuke Amano, Sadaaki Yamazoe in BMC Surgery (2016)

  8. Article

    Open Access

    Establishment and characterization of new cell lines of anaplastic pancreatic cancer, which is a rare malignancy: OCUP-A1 and OCUP-A2

    Anaplastic pancreatic cancer (APC) cell lines have been scarcely established.

    Kotaro Miura, Kenjiro Kimura, Ryosuke Amano, Sadaaki Yamazoe, Go Ohira in BMC Cancer (2016)

  9. Article

    Open Access

    A case of bilateral pheochromocytoma during pregnancy

    Pheochromocytoma is a disease where catecholamines are secreted. If pheochromocytoma occurs during pregnancy, it can be difficult to diagnose because it is similar to pregnancy-induced hypertension. Furthermor...

    Kishu Kitayama, Shinichiro Kashiwagi, Ryosuke Amano, Satoru Noda, Go Ohira in BMC Surgery (2015)

  10. Article

    Open Access

    Nonfunctional adrenocortical carcinoma initially presenting as retroperitoneal hemorrhage

    Acute adrenal hemorrhage is an uncommon entity. Although trauma is the most common cause of adrenal hemorrhage, non-traumatic etiologies have also been reported. We report an unusual case of a spontaneously ru...

    Shinichiro Kashiwagi, Ryosuke Amano, Naoyoshi Onoda, Satoru Noda in BMC Surgery (2015)

  11. No Access

    Article

    Impact of Body Mass Index on Surgical Outcomes after Esophagectomy for Patients with Esophageal Squamous Cell Carcinoma

    Patients with overweight reportedly have more comorbidities, including diabetes mellitus and cardiovascular disease, and longer operating times as well as more blood loss during surgery compared with those wit...

    Tsuyoshi Hasegawa, Naoshi Kubo, Masaichi Ohira in Journal of Gastrointestinal Surgery (2015)

  12. Article

    Open Access

    Clinical and pathological features of five-year survivors after pancreatectomy for pancreatic adenocarcinoma

    Clinical factors determining short-term survival after pancreatectomy have been well studied, but factors predicting long-term survival with curative resection are poorly understood in pancreatic carcinoma. Ou...

    Kenjiro Kimura, Ryosuke Amano, Bunzo Nakata in World Journal of Surgical Oncology (2014)

  13. No Access

    Article

    Predictive Factors for Change of Diabetes Mellitus Status After Pancreatectomy in Preoperative Diabetic and Nondiabetic Patients

    This study aimed to determine risk factors for exacerbation of diabetes mellitus (DM) after pancreatectomy.

    Keiichiro Hirata, Bunzo Nakata, Ryosuke Amano in Journal of Gastrointestinal Surgery (2014)

  14. No Access

    Article

    Impact of laparoscopic liver resection for hepatocellular carcinoma with F4-liver cirrhosis

    Although the utility of laparoscopic liver resection for hepatocellular carcinoma (HCC) has been recognized in recent years, the impact of the laparoscopic liver resection for HCC with complete liver cirrhosis...

    Akishige Kanazawa, Tadashi Tsukamoto, Sadatoshi Shimizu in Surgical Endoscopy (2013)

  15. No Access

    Article

    Laparoscopic liver resection for treating recurrent hepatocellular carcinoma

    It is still unknown whether laparoscopic liver resection is suitable for recurrent hepatocellular carcinoma (HCC) after previous curative hepatic resection.

    Akishige Kanazawa, Tadashi Tsukamoto in Journal of Hepato-Biliary-Pancreatic Scien… (2013)

  16. Article

    Open Access

    RNA interference suppression of mucin 5AC (MUC5AC) reduces the adhesive and invasive capacity of human pancreatic cancer cells

    MUC5AC is a secretory mucin normally expressed in the surface muconous cells of stomach and bronchial tract. It has been known that MUC5AC de novo expression occurred in the invasive ductal carcinoma and pancreat...

    Sadaaki Yamazoe, Hiroaki Tanaka in Journal of Experimental & Clinical Cancer … (2010)