BACKGROUND Examination of specimens obtained through flexible fiberoptic bronchoscope is an important and often the initial diagnostic technique performed in patients with suspected malignant lung lesion. AIMS To evaluate the correlation of cytological findings of bronchial washings, bronchial brushing and imprint smear of bronchial biopsy in the diagnosis of lung tumors, with histopathology ...

Cytological imprint material from 26 mammary carcinomas was stained with monoclonal antibodies to oestrogen and progesterone receptors in an immunoperoxidase procedure. The staining result was compared with that of parallel stainings of frozen tissue sections of the same tumours. The peroxidase reactions in both techniques were semiquantitatively assessed (histoscore). In both sets of stainings...