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Related Experiment Videos

Computed tomography-guided fine-needle aspiration biopsy

G da C Santos1, S R Morini, L C Granero

  • 1Department of Anatomic Pathology, A.C. Camargo Hospital Antonio Prudente Foundation, São Paulo, Brazil.

Sao Paulo Medical Journal = Revista Paulista De Medicina
|January 1, 1997
PubMed
Summary

Fine-needle aspiration cytology (FNAC) under computed tomography (CT) guidance accurately diagnoses deep-seated lesions. This minimally invasive technique demonstrates high sensitivity and specificity for detecting malignant neoplasms.

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Area of Science:

  • Medical Imaging
  • Oncology
  • Cytopathology

Background:

  • Accurate morphologic diagnosis is crucial for evaluating malignant neoplasias.
  • Computed tomography (CT)-guided fine-needle aspiration has shown promise in diagnosing unresectable neoplasms and metastases.

Purpose of the Study:

  • To evaluate the diagnostic accuracy, sensitivity, and negative predictive value of CT-guided fine-needle aspiration cytology (FNAC).

Main Methods:

  • FNAC was performed on 210 patients (1991-1994) under CT guidance.
  • Cytological diagnoses were compared with histological diagnoses and clinical follow-up for 106 cases.

Main Results:

  • The study included 210 cases, with 131 positive for malignancy and 41 negative.

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  • Comparison with histology showed 80.4% sensitivity, 100% specificity, and 81.1% overall efficiency.
  • The technique was effective in diagnosing deep-seated lesions, particularly in the lung and liver.

    • Conclusions:

    • CT-guided FNAC is a sensitive and specific method for diagnosing deep-seated malignant lesions.
    • The procedure provides valuable diagnostic information for therapeutic and prognostic evaluation.