Fine Needle Puncture Aspiration in Salivary Gland Tumor Evaluation
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Fine Needle Puncture Aspiration in Salivary Gland Tumor Evaluation

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Questions and Answers

Qual foi a sensibilidade específica do diagnóstico pré-operatório de malignidade por punção aspirativa com agulha fina?

  • 68,96%
  • 54,05%
  • 89,63% (correct)
  • 94,23%
  • Qual foi a idade média dos pacientes avaliados?

  • 47,5 ± 15,88 anos (correct)
  • 7-82 anos
  • 15,88 ± 47,5 anos
  • 82-7 anos
  • Qual foi a precisão do diagnóstico pré-operatório de malignidade por punção aspirativa com agulha fina?

  • 54,05%
  • 68,96%
  • 94,23%
  • 86,52% (correct)
  • Study Notes

    • A puncture aspiration with a fine needle is valuable in pre-operative evaluation of head and neck tumors. However, its precision in treating salivary gland tumors is questionable.

    • Our objective was to investigate the effectiveness and precision of puncture aspiration with a fine needle in treating salivary gland tumors.

    • Patients who underwent parotidectomy between January 2008 and June 2017 for salivary gland tumor were retrospectively evaluated.

    • Patients were included who had pre-operative puncture aspiration with a fine needle and histopathology post-operatively.

    • The pre-operative puncture aspiration with a fine needle was categorized as benign, malignant or with suspicion of malignity.

    • The histopathological classification was grouped as benign or malignant.

    • The histopathological examinations were compared with puncture aspiration with a fine needle and sensitivity, specificity, accuracy and agreement between the two tests were investigated.

    • 217 patients were evaluated and 23 were excluded because the pre-operative diagnosis of puncture aspiration with a fine needle was not conclusive or unavailable. 194 patients were included. The median age of the patients was 47.5 ± 15.88 (7-82). 157 patients were benign, 37 were malignant in puncture aspiration with a fine needle and 165 were benign and 29 were malignant in histopathology. The accuracy of pre-operative diagnosis of malignity was 86.52%.

    • Sensitivity and specificity were 68.96% and 89.63%, respectively. The positive predictive value was 54.05% and the negative predictive value was 94.23%. There was moderate agreement between puncture aspiration with a fine needle and histopathology (κ = 0.52).

    • Sensitivity was 54.54% for tumors smaller than 2 cm and 77.77% for tumors larger than 2 cm. Sensitivity was 80% for tumors that extended beyond the midline.

    • The use of puncture aspiration with a fine needle in combination with clinical and radiological evaluation may help reduce the number of false-positive and false-negative results.

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    Description

    Explore the effectiveness and precision of using fine needle puncture aspiration in evaluating salivary gland tumors. This quiz delves into the comparison between pre-operative puncture aspiration diagnosis and post-operative histopathological classification, as well as the sensitivity, specificity, and agreement between the two tests.

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