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2001: Brueckl W M; Preuss J M; Wein A; Jung A; Brabletz T; Pflüger R; Wiest G H; Wolfl C; Kirchner T; Hahn E G; Hohenberger W; Günther K
Ki-67 expression and residual tumour (R) classification are associated with disease-free survival in desmoid tumour patients.
Anticancer research 2001;21(5):3615-20.
BACKGROUND: In order to evaluate prognostic factors in the long-term survival of desmoid tumour patients, analysis of clinicopathological, immunohistochemical and follow-up data was performed. PATIENTS AND METHODS: Between 1969 and 1998, 54 patients underwent resection of aggressive fibromatosis (desmoid) and 33 of them (10 patients with FAP and 23 sporadic) were followed-up with a median time of 130 months (range 10-355 months). Additionally, immunohistochemical analysis of the desmoid tumours using Ki-67 was performed. RESULTS: In univariate analysis, curative resection (R0) (p<0.001) and low proliferation of Ki-67 (p=0.002) were of significant positive prognostic value concerning disease-free survivaL R0 and absence of Ki-67 staining were significantly associated with each other (p=0.004). CONCLUSION: Ki-67 seems to serve as a predictive marker concerning disease-free survival of desmoid tumour patients. In patients presenting with Ki-67 positive desmoids, which are unlikely to be resected in a curative manner, alternative treatment (e.g. sulindac) may be preferable.

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