| Autor: |
Staib, Ludger, Gottwald, Thomas, Lehnert, Thomas, Ruf, Günther, Sturm, Jörg, Becker, Horst Dieter, Farthmann, Eduard, Herfarth, Christian, Post, Stefan, Trede, Michael, Beger, Hans Günther |
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| Zdroj: |
International Journal of Colorectal Disease; Sep2000, Vol. 15 Issue 5/6, p282-290, 9p, 6 Charts, 4 Graphs |
| Abstrakt: |
Five southern German university centers cooperated in comparing the effect of surgical vs. nonsurgical therapy strategies on survival and sphincter preservation in the treatment of anal cancer. A standardized questionnaire was used to evaluate retrospectively (mean follow-up 30 months) treatment strategy and outcome (survival, colostomy rate, colostomy-free survival) in patients treated between 1987 and 1996. Of the 142 patients 65% had squamous cell, 20% basaloid, 6% adeno-, and 1% undifferentiated carcinoma (8% histology not recorded); 9% were classified in UICC stage I, 37% in stage II, 25% in stage III, and 4% in stage IV (25% not recorded). Primary treatment consisted of local excision (10%), excision plus radio- and/or chemotherapy (17%), radiotherapy (20%), radio-chemotherapy (28%), or colostomy with or without resection, radiotherapy, and chemotherapy (23%). We observed no difference between these treatment groups in overall (P=0.43) or colostomy-free survival (P=0.14, log-rank). Primary colostomy was prevented in 77% of cases and decreased over the years. Mean overall survival (in months) was 42 in stage I, 38 in stage II, and 25 in stage III (P=0.0013); mean colostomy-free survival was 36 in stage I, 26 in stage II, and 16 in stage III (P=0.0021, log-rank). Outcome was not significantly related to therapeutic strategy (surgery or radio-chemotherapy. Primary surgical and nonsurgical strategies in treating anal cancer thus produced similar results, although radio-chemotherapy is usually recommended for sphincter-endangering anal cancer. Challenges to be met in the future include the prevention of metastasis and long-term preservation of anal sphincter function. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
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