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Decreased tumor cel...
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Adell, Gunnar,1953-Linköpings universitet,Onkologi,Hälsouniversitetet
(författare)
Decreased tumor cell proliferation as an indicator of the effect of preoperative radiotherapy of rectal cancer
- Artikel/kapitelEngelska2001
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LIBRIS-ID:oai:DiVA.org:liu-24827
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https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-24827URI
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https://doi.org/10.1016/S0360-3016(01)01515-2DOI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:ref swepub-contenttype
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Ämneskategori:art swepub-publicationtype
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BACKGROUND: Rectal cancer is a common malignancy, with significant local recurrence and death rates. Preoperative radiotherapy and refined surgical technique can improve local control rates and disease-free survival.PURPOSE: To investigate the relationship between the tumor growth fraction in rectal cancer measured with Ki-67 and the outcome, with and without short-term preoperative radiotherapy.Method: Ki-67 (MIB-1) immunohistochemistry was used to measure tumor cell proliferation in the preoperative biopsy and the surgical specimen.MATERIALS: Specimens from 152 patients from the Southeast Swedish Health Care region were included in the Swedish rectal cancer trial 1987-1990.RESULTS: Tumors with low proliferation treated with preoperative radiotherapy had a significantly reduced recurrence rate. The influence on death from rectal cancer was shown only in the univariate analysis. Preoperative radiotherapy of tumors with high proliferation did not significantly improve local control and disease-free survival. The interaction between Ki-67 status and the benefit of radiotherapy was significant for the reduced recurrence rate (p = 0.03), with a trend toward improved disease-free survival (p = 0.08). In the surgery-alone group, Ki-67 staining did not significantly correlate with local recurrence or survival rates.CONCLUSION: Many Ki-67 stained tumor cells in the preoperative biopsy predicts an increased treatment failure rate after preoperative radiotherapy of rectal cancer.
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Biuppslag (personer, institutioner, konferenser, titlar ...)
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Zhang, Hong,1957-Linköpings universitet,Cellbiologi,Hälsouniversitetet(Swepub:liu)honzh78
(författare)
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Jansson, Agneta,1973-Linköpings universitet,Onkologi,Hälsouniversitetet(Swepub:liu)agnja94
(författare)
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Sun, Xiao-Feng,1959-Linköpings universitet,Onkologi,Hälsouniversitetet(Swepub:liu)xiasu45
(författare)
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Stål, Olle,1952-Linköpings universitet,Onkologi,Hälsouniversitetet(Swepub:liu)ollst87
(författare)
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Nordenskjöld, Bo,1940-Linköpings universitet,Onkologi,Hälsouniversitetet(Swepub:liu)bono64
(författare)
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Linköpings universitetOnkologi
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:International Journal of Radiation Oncology, Biology, Physics50:3, s. 659-6630360-30161879-355X
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Adell, Gunnar, 1 ...
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Zhang, Hong, 195 ...
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Jansson, Agneta, ...
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Sun, Xiao-Feng, ...
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Stål, Olle, 1952 ...
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Nordenskjöld, Bo ...
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