Humaira Nash, Anwarul Haque.
Value of touch preparation cytology in intraoperative consultation diagnosis of Astrocytomas.
Int J Pathol Jan ;1:8-12.

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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