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  • Title: Endoscopic brush cytology and biopsy in the diagnosis of cancer of the upper gastrointestinal tract.
    Author: Qizilbash AH, Castelli M, Kowalski MA, Churly A.
    Journal: Acta Cytol; 1980; 24(4):313-8. PubMed ID: 6932143.
    Abstract:
    Brush cytology and biopsy under direct vision was performed on 250 patients. Of the 44 proven cases with cancers of the upper gastrointestinal tract, brush cytology yielded positive results in 88.6%, and multiple mucosal biopsies yielded positive results in 93.2%. With the combined technique the results increased to 95.4%. False-negative results were due to large tumors with necrotic surfaces or to infiltrative tumors at the cardioesophageal junction. There was one false positive with brush cytology and none with biopsy. Four cases of early gastric cancer were diagnosed with the combined technique.
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