1.Intraosseous Schwannoma of the Mandibular Symphysis: Report of a Case
Goro Kawasaki ; Souichi Yanamoto ; Hajime Yoshida ; Akio Mizuno ; Shuichi Fujita ; Tohru Ikeda
Oral Science International 2010;7(2):76-79
Schwannoma is a benign neoplasm originating from the neural sheath and occurs most commonly in the soft tissues of the head and neck. Intraosseous schwannoma in the maxillofacial region is extremely rare. The present study reports the case of an intraosseous schwannoma located in the mandibular symphysis of a 27-year-old male patient. The tumor was completely excised, and there has been no evidence of recurrence in the nearly two years since the operation. A review of the related literature is also included.
2.Cardiovascular Surgery with or without Extracorporeal Circulation in Patients Suffering from Renal Insufficiency.
Hajime Yanagisawa ; Kenichi Sudo ; Akio Ohtaki ; Tadashi Koishizawa ; Nobunari Hayashi ; Masakatu Tadokoro ; Jun Kokubo ; Kouji Ikeda ; Akira Mizuno
Japanese Journal of Cardiovascular Surgery 1994;23(1):21-27
From April 1987 to March 1990, we performed open heart surgery using extracorporeal circulation in 90 patients (average age, 51.8 years old) and vascular surgery (graft replacement of abdominal aortic aneurysm and surgery for ASO) in 29 patients (average age, 58.1 years old). Among there, 8 patients with open heart surgery (EEC group) and 9 patients with vascular surgery (vascular group) had suffered from renal insufficiency preoperatively. In the two groups, we compared operative mortality, complications and postoperative severity of renal failure. Preoperative renal insufficiency was defined as a serum creatinine level of more than 1.4mg/dl and postoperative renal failure was defined as 2.0mg/dl. There was no significant difference in operative mortality, in postoperative creatinine, Ccr, BUN and serum potassium and in effectiveness of hemodialysis in the two groups. In conclusion, it seems that we should not hesitate to perform cardiovascular surgery with extracorporeal circulation for patients with renal insufficiency or in hemodialized patients.
3.Clinical practice guidelines for the management of biliary tract cancers 2019: the 3rd English edition
Masato NAGINO ; Satoshi HIRANO ; Hideyuki YOSHITOMI ; Taku AOKI ; Katsuhiko UESAKA ; Michiaki UNNO ; Tomoki EBATA ; Masaru KONISHI ; Keiji SANO ; Kazuaki SHIMADA ; Hiroaki SHIMIZU ; Ryota HIGUCHI ; Toshifumi WAKAI ; Hiroyuki ISAYAMA ; Takuji OKUSAKA ; Toshio TSUYUGUCHI ; Yoshiki HIROOKA ; Junji FURUSE ; Hiroyuki MAGUCHI ; Kojiro SUZUKI ; Hideya YAMAZAKI ; Hiroshi KIJIMA ; Akio YANAGISAWA ; Masahiro YOSHIDA ; Yukihiro YOKOYAMA ; Takashi MIZUNO ; Itaru ENDO
Chinese Journal of Digestive Surgery 2021;20(4):359-375
The Japanese Society of Hepato-Biliary-Pancreatic Surgery launched the clinical practice guidelines for the management of biliary tract cancers (cholangiocarcinoma, gallbladder cancer, and ampullary cancer) in 2007, then published the 2nd version in 2014. In this 3rd version, clinical questions (CQs) were proposed on six topics. The recommendation, grade for recommendation, and statement for each CQ were discussed and finalized by an evidence-based approach. Recommendations were graded as grade 1 (strong) or grade 2 (weak) according to the concepts of the grading of recommendations assessment, development, and evaluation system. The 31 CQs covered the six topics: (1) prophylactic treatment, (2) diagnosis, (3) biliary drainage, (4) surgical treatment, (5) chemotherapy, and (6) radiation therapy. In the 31 CQs, 14 recommendations were rated strong and 14 recommendations weak. The remaining three CQs had no recommendation. Each CQ includes a statement of how the recommendations were graded. This latest guideline provides recommendations for important clinical aspects based on evidence. Future collaboration with the cancer registry will be key for assessing the guidelines and establishing new evidence.