Value of Touch Preparation Cytology in Intraoperative Consultation Diagnosis of Astrocytomas
Keywords:
Gliomas, Astrocytomas, Touch Preparation Cytology, Frozen SectionAbstract
Intra-operative diagnosis of brain tumours routinely employs frozen sections. The frozen section however has several
limitations and induces serious freezing artefacts. We carried out a prospective study on 40 cases of astrocytomas utilizing
touch preparation cytology. The smears were quite cellular with crisp cellular details. There was 98.4% sensitivity and 90%
specificity. We found touch preparation cytology highly reliable mode of intra-operative diagnosis in astrocytomas.
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