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  • Title: Accuracy of touch imprint cytology in diagnosing lung cancer.
    Author: Paulose RR, Shee CD, Abdelhadi IA, Khan MK.
    Journal: Cytopathology; 2004 Apr; 15(2):109-12. PubMed ID: 15056172.
    Abstract:
    A 3-year study assessed the diagnostic accuracy of touch imprint smears in the diagnosis of lung cancer. Touch imprint smears were prepared from 90 computerized tomographic-guided core needle lung biopsies. Cytological diagnosis of touch imprint smears were correlated with the histological diagnosis of the corresponding core needle biopsy specimen, which was taken as the gold standard. The sensitivity, specificity, positive predictive value and negative predictive value of imprint smear results were 89%, 100%, 100% and 68%, respectively. There were no false positives, and all patients with small cell lung cancer were correctly diagnosed with this technique. Imprint cytology can be used to provide a rapid, preliminary diagnosis of lung cancer.
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