Cryosurgery in Anorectal Region T. Kamegai 1 , S. Kuramoto 1 1First Department of Surgery, School of Medicine, Toho University pp.327-332
Published Date 1977/3/25
DOI https://doi.org/10.11477/mf.1403112540
  • Abstract
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 We have described here cryosurgery for anorectal lesions based on our experiences for the past seven years.

 In this area it is especially important to avoid any postoperative functional disorders, for which the merits of freezing therapy can be displayed to the full. It is indeed one of the most appropriate treatments for lesions in this area. However, the problem still remains how to tackle with malignant neoplasms, a problem not limited to this area.

 Cryosurgery is indicated for all benign lesions although not of the same precedence. First comes internal hemorrhoid. We have treated more than 1,000 such patients with this therapy. Usually treatment in the out-patient clinic is sufficient. Hardly any complications or untoward accidents have been encountered so far. It has merits not to be seen in other methods of management. It can also be used to excellent advantage in mucosal prolapse and fissure of the anal region but not in external hemorrhoid or rectal prolapse. For anal fistulas and polyps we have chosen individual cases personally regarded as fit for this type of treatment.

 The biggest problem for cryosurgery of malignant neoplasms in this area would be how to cope with adverse effects that could take place by this treatment. At present, we apply it to only recurred or fatal cases. It has a noticiable effect as a palliative measure. Prolongation of the patient's life is also expected. To be clarified in years to come is its immunological effects. At present we are trying to freeze and destroy lesions as completely as possible. Cryosurgery is still faced with many problems such as how to co-employ cancer chemotherapy or how to use it to best advantage during surgical intervention, Further studies are therefore eagerly expected.

Copyright © 1977, Igaku-Shoin Ltd. All rights reserved.


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