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2000 | 48 | 4 | 281-285
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Ki-67 reactivity in primary fallopian tube cancers

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Forty-four cases of primary cancer of the fallopian tube (PFTC) were analyzed as to Ki-67 expression, grade, stage and the cancer histological type. Among patients with an average age of 57.5 years (range 38?70 years), 27 patients were FIGO I, 7 were FIGO II and 10 were FIGO III. Histological classification of PFTC revealed 18 cases of endometroid type, 9 serous, 7 undifferentiated, 6 urothelial, 2 clear-cell and 2 of other type. Histological grading revealed 11 cases of G1, 16 of G2 and 17 of G3 tumors. The quantity of Ki-67 positive cells was counted on 300 cancer cells in random high-power fields (10x40) and recorded as the labeling index (LI, %). Positive staining for Ki-67 was shown in the nuclei in all cases. Ki-67 LI values ranged from 14. 2 to 97.2% (median 36. 1). Ki-67 LI values were graded as 36. 1% as high and <36. 1% as low. We did not find any significant differences in Ki-67 LI values among tumors of various clinical stages, histological grades and histological types. The p value was statistically significant only for stage as a prognostic factor.
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J. Rabczynski, Department of Pathological Anatomy, University Medical School, Wroclaw, Poland
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