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2001, Volume 17, Number 3-4, Page(s) 067-071
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THE DIAGNOSTIC VALUE OF CYTOLOGY IN INTRAOPERATIVE CONSULTATION OF THE CNS TUMORS.
Ümit ÜNÜVAR ATILMIŞ, Fügen VARDAR AKER, Pembegül GÜNEŞ, Önder PEKER
Haydarpaşa Numune Hastanesi Patoloji Bölümü, İstanbul
Abstract
Of 467 consecutive cerebral operative specimens tested at the Pathology Department of HNH between the years 1994-2000, 160 cases requiring intraoperative urgent consultation have been assessed. The smear and frozen section (FS) preparations have been re-tested to be compared with paraffin section results. Effectivity, accuracy, specificity, sensitivity, the specificity of diagnosis and the availability of grading have been assessed proportionally. Smear has proved to be the most effective (91.3%) method. In neoplastic cases, the proportional findings of general accuracy were as follows: Smear 90.1%, FS 77.0%. With the contribution of FS, the proportion of general accuracy increased by 0.54%, the specificity of diagnosis by 8.2%, and the accuracy of grading by 2.7%. The proportions of general accuracy, specificity and sensitivity have proved to be concordant with the studies in literature. Cytology has proved to be of primary significance for urgent diagnosis, and it is concluded that FS is a complementary method to be used when required.
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