RESUMEN

The authors analyzed the results of 650 lesions of the central nervous system submitted to intraoperative cytological diagnosis by the smear technique. Cytological and paraffin section diagnoses were compared. The following statistical values were obtained: accuracy of 97.3%, sensitivity of 97.9%, specificity of 95%, positive predictive value of 99.1%, and negative predictive value of 89.6%. The authors comment on their main pitfalls using this cytological diagnostic procedure.

Asunto(s)

Neoplasias del Sistema Nervioso Central/diagnóstico , Citodiagnóstico/métodos , Neoplasias Encefálicas/diagnóstico , Neoplasias Encefálicas/patología , Neoplasias del Sistema Nervioso Central/patología , Diagnóstico Diferencial , Errores Diagnósticos , Humanos , Adhesión en Parafina , Valor Predictivo de las Pruebas , Sensibilidad y Especificidad