body mass index, menopausal status, history of parity, hormone replacement therapy, breast parenchymal pattern (according to Wolfe's classification), family history of breast cancer, mass size and number of samples. Ultrasound
Those cases identified were further investigated to determine the time lapse between brush biopsy and definitive tissue diagnosis. Potter et al (2003) found 4 of 115 squamous cell carcinomas that were reported to be negative on brush biopsy, a false negative rate of 3.5 %. The authors noted ...