Intraductal oncocytic papillary neoplasm of the bile duct: the first case of peribiliary gland originYoshitsugu Nakanishi
Division of Cancer Medicine, Department of Surgical Oncology, Hokkaido University Graduate School of Medicine, Kita 15, Nishi 7, Kita ku, Sapporo, 060 8638, Japan
J Hepatobiliary Pancreat Surg 16:869-73. 2009
..This case suggests that intraductal papillary neoplasm can arise from both biliary epithelium and peribiliary glands...
- Intraductal papillary neoplasm arising from peribiliary glands connecting with the inferior branch of the bile duct of the anterior segment of the liver
Yoshitsugu Nakanishi
Department of Surgery, National Hospital Organization, Hakodate Hospital, Hakodate, Japan
Pathol Int 61:773-7. 2011
..These tumor cells were positive for MUC 5AC, MUC6, and HIK1083. The tumor was finally diagnosed as an intraductal papillary neoplasm of the bile duct (adenoma, gastric type) arising from a peribiliary gland...
- New invagination procedure for pancreaticojejunostomy using only four sutures
Yoshitsugu Nakanishi
Department of Surgery, National Hospital Organization, Hakodate Hospital, 18 16 Kawahara cho, Hakodate, 041 8512, Japan
World J Surg 36:892-7. 2012
..Pancreaticoenterostomy remains one of the most stressful parts of pancreatoduodenectomy. We introduce herein a new convenient and secure invagination procedure for pancreaticojejunostomy...
- Correlation between tumor budding and post-resection prognosis in patients with invasive squamous cell carcinoma of the thoracic esophagus
Yoshitsugu Nakanishi
Department of Surgery, National Hospital Organization, Hakodate Hospital, 18 16 Kawahara cho, Hakodate, 041 8512, Japan
World J Surg 35:349-56. 2011
..The aim of the present study was to identify correlations between tumor budding and clinicopathological factors and their impact on postoperative prognosis in invasive squamous cell carcinoma of the thoracic esophagus...
- Impact of residual in situ carcinoma on postoperative survival in 125 patients with extrahepatic bile duct carcinoma
Yoshitsugu Nakanishi
Department of Surgical Oncology, Hokkaido University Graduate School of Medicine, Kita 15, Nishi 7, Kita ku, Sapporo 060 8638, Japan
J Hepatobiliary Pancreat Sci 17:166-73. 2010
..The aim of this study was to determine the impact of the presence of carcinoma in situ at the bile duct stump on postoperative survival in patients who underwent resection of extrahepatic bile duct carcinoma...
- Extrahepatic bile duct carcinoma with extensive intraepithelial spread: a clinicopathological study of 21 cases
Yoshitsugu Nakanishi
Department of Surgical Oncology, Division of Cancer Medicine, Hokkaido University Graduate School of Medicine, Sapporo, Japan
Mod Pathol 21:807-16. 2008
..The presence of intraepithelial spread was not an indicator of a poor prognosis, but carcinoma in situ at the bile duct stump could cause late anastomotic recurrence after surgery...
Primary acinar cell carcinoma of the ampulla of VaterHiroshi Kawakami
Department of Gastroenterology, Hokkaido University Graduate School of Medicine, Kita 15, Nishi 7, Kita ku, Sapporo 060 8638, Japan
J Gastroenterol 42:694-7. 2007
..This is the first reported case of primary acinar cell carcinoma in the ampulla of Vater...
- Spindle cell-type undifferentiated carcinoma of the common bile duct of the hepatic hilus: report of a case
Yoshitsugu Nakanishi
Department of Surgical Oncology, Division of Cancer Medicine, Hokkaido University Graduate School of Medicine, Kita 15, Nishi 7, Kita ku, Sapporo 060 8638, Japan
Surg Today 37:708-12. 2007
..2, AE1/AE3, and vimentin. On the basis of these findings, the tumor was finally diagnosed to be spindle cell-type undifferentiated carcinoma. Unfortunately, the patient died of pulmonary infarction 11 days after the operation...
- Recurrence of mucosal carcinoma of the bile duct, with superficial flat spread, 12 years after operation
Yoshitsugu Nakanishi
Department of Surgical Oncology, Division of Cancer Medicine, Hokkaido University Graduate School of Medicine, Nishi-7, Sapporo 060-8638, Japan
J Hepatobiliary Pancreat Surg 13:355-8. 2006
..This case suggests that remnant intraepithelial flat carcinoma within the CBD may develop a late local recurrence...
- [A case of mucin-producing cholangiocarcinoma with inflammatory wall thickening and reduction in size at 5 months]
Yuya Nasu
Department of Surgical Oncology, Hokkaido University Graduate School of Medicine
Nihon Shokakibyo Gakkai Zasshi 105:68-73. 2008
..So we conducted left hepatectomy and caudate lobectomy. Pathologically, mucin-producing cholangiocarcinoma was confirmed, but the wall thickening was due to inflammation not cancer invasion...
- Prognostic impact of regional lymph node micrometastasis in patients with node-negative biliary cancer
Atsuya Yonemori
Department of Surgical Oncology, Hokkaido University Graduate School of Medicine, Sapporo, Japan
Ann Surg 252:99-106. 2010
..To immunohistochemically identify regional lymph node micrometastases in patients with regional node-negative biliary cancer who underwent curative resection, and to evaluate their clinical significance...
- Primary cholesterol hepatolithiasis associated with cholangiocellular carcinoma: a case report and literature review
Hiroshi Kawakami
Department of Gastroenterology, Hokkaido University Graduate School of Medicine, Sapporo
Intern Med 46:1191-6. 2007
..A cholesterol stone was present, encircled by the cholangiocellular carcinoma. Minor inflammatory changes were observed around the stone...
Long-term survival of resected advanced gastric cancer with hepatic and pancreatic invasionHiromitsu Domen
Department of Surgery, National Hospital Organization Hakodate Hospital, Hakodate, Japan
Case Rep Gastroenterol 5:396-403. 2011
..Pancreatic fistula occurred postoperatively. On postoperative days 40, he was discharged. He received two cycles of adjuvant tegafur/gimeracil/oteracil chemotherapy. He has had no sign of recurrence for 7 years and 8 months...
- Inadvertent Ingestion of a Press-Through Package Causing Perforation of the Small Intestine within an Incisional Hernia and Panperitonitis
Hiromitsu Domen
Department of Surgery, National Hospital Organization Hakodate Hospital, Hakodate, Japan
Case Rep Gastroenterol 5:391-5. 2011
..We removed the PTP through the perforation and performed direct suture. Postoperatively, we retrospectively reviewed the CT image and found a high-density shadow which seemed to represent the PTP...
