We have attempted to find out if there is any quantitative variation in fib
rinogen levels in breast cancer, and also if any such variation reflects tu
mour progression. We measured fibrinogen levels in 125 patients with breast
cancer and analysed them with respect to age, stage of cancer, mode of ant
i-cancer treatment and onset of the menopause. We also measured fibrinogen
levels in 100 healthy, age-matched, randomly selected controls to make obje
ctive comparisons. Fibrinogen levels were significantly higher in breast ca
ncer patients (531.41 +/- 16.58) than in the controls (432.91 +/- 20.79). T
he levels were also raised significantly with age and in pre-menopausal bre
ast cancer patients (510.48 +/- 27.57) as compared to normal levels (411.42
+/- 31.18). Although we found a suggestive trend, fibrinogen levels did no
t show any significant variation with respect to therapy against cancer or
with advances in the stage of the carcinoma. In conclusion, we believe the
proliferating carcinoma causes severe vascular tissue injury, which becomes
more pronounced due to the neo-vascularization of the tumour by angiogenes
is, consequently affecting the levels of fibrinogen in blood. Med Sci Res 2
7:453-455 (C) 1999 Lippincott Williams & Wilkins.