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  • Title: The role of brushing cytology in the diagnosis of gastric malignancy.
    Author: Cook IJ, de Carle DJ, Haneman B, Hunt DR, Talley NA, Miller D.
    Journal: Acta Cytol; 1988; 32(4):461-4. PubMed ID: 3041720.
    Abstract:
    The results of endoscopic biopsy and brushing cytology in 234 consecutive patients with established histologic diagnoses of discrete gastric lesions were analyzed. A histopathologic diagnosis of malignancy, established by independent means, was made in 74 patients. Brushing cytology was positive for malignancy in 63, a diagnostic sensitivity of 85%. Endoscopic biopsy was positive in 64, a diagnostic sensitivity of 86%. The sensitivity for combined cytology and biopsy was 91%, which was not significantly greater than for biopsy alone (P = .6). Cytology yielded false-positive results in 5 of 160 patients (3.1%) with confirmed benign disease. There were no false-positive biopsy reports. Although both brushing cytology and biopsy have high diagnostic sensitivities, based on the findings of this study, the routine addition of cytology to biopsy in the endoscopic evaluation of gastric lesions is not recommended. Cytology could be reserved for situations in which difficulty is encountered in obtaining adequate tissue for histologic examination and for cases with a high suspicion of malignancy that have yielded negative biopsies.
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