Nihon ishigaku zasshi. [Journal of Japanese history of medicine]
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Nihon Ishigaku Zasshi · Dec 2016
Historical ArticleRyozo Chiba's Ben-nyugansho narabini Chiho Soko and Nyuganbensho or Nyuganben: The Practice of Hanaoka's Breast Cancer Surgery in 1811.
In 1811, Ryozo Chiba (1789-1861) from Sendai Province enrolled in a private school of Shunrinken, presided by Seishu Hanaoka and wrote up a manuscript titled Nanki Seishu Sensei Nyugan Chyutu Koju (the title on the first page is Ben-nyugansho narabini Chiho Soko) in August 1811, only 6 months after enrollment. The manuscript describes Hanaoka's teachings about breast cancer surgery; signs and symptoms of breast cancer, differential diagnosis, preoperative care, administration of Mafutsusan, operative procedures, hemostatic techniques, wound suture; wound dressing, recovery from anesthesia with Mafutsusan, postoperative care, and prescriptions of drugs for internal and external use. After repeated transcriptions and the addition of various papers on other subjects, the title of the manuscript changed to Nyuganbenshio or Nyuganben. Chiba's original manuscript is considered important because the transcriber and the year of transcription of the manuscript are identified, and it unfolds the practice of Hanaoka's breast canicer surgery as of 1811.
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Nihon Ishigaku Zasshi · Dec 2016
Historical ArticleDevelopment of Mafutsusan by Seishu Hanaoka and General Anesthetics in the Very Early Part of the 19th Century in Japan.
Seishu Hanaoka's medicine is famed for its breast cancer surgery. Hanaoka, who,was motivated by Dokushoan Nagatomi's Man-yu zakki, published in 1771, had the idea to excise a breast cancer tumor and not to perform a breast amputation. Because he recognized that general anesthesia was indispensable for performing a surgical operation of the breast, he developed a general anesthetic and surmounted various difficulties: selection of an anesthetic method, anesthetic ingredients, determination of the opti- mal dosage, administration methods, indications and contra-indications, evaluation of the depth of anesthesia, facilitation of the smooth emergence from anesthesia, and postoperative care. I reviewed previous articles on these subjects and, using several unpublished manuscripts, provided new information on disseminated general anesthetics in Japan during the decade after the first general anesthesia for Kan Aiya in 1804.