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Related Experiment Videos

Fine needle sampling without aspiration

M P Kumarasinghe1, A H Sheriffdeen

  • 1Department of Pathology, Faculty of Medicine, University of Colombo, Sri Lanka.

Pathology
|October 1, 1995
PubMed
Summary
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The non-aspiration needle jab (NASP) technique is superior for thyroid fine needle sampling. For breast lesions and lymph nodes, NASP offers benefits but requires careful consideration of lesion type and operator experience.

Area of Science:

  • Cytopathology
  • Surgical Pathology
  • Diagnostic Imaging

Background:

  • Fine needle aspiration (FNA) is a common diagnostic tool for palpable lesions.
  • Alternative techniques like the non-aspiration needle jab (NASP) aim to improve sample quality and patient comfort.
  • Comparative studies are essential to determine the optimal technique for different anatomical sites.

Purpose of the Study:

  • To compare the classical aspiration (ASP) technique with the non-aspiration needle jab (NASP) technique for fine needle sampling.
  • To evaluate cellularity adequacy, blood staining, and patient discomfort across different lesion types (thyroid, breast, lymph nodes).

Main Methods:

  • Sampled 410 thyroid nodules, 127 breast lumps, and 43 lymph nodes.
  • Compared ASP and NASP techniques based on cellular yield, blood staining, and patient-reported discomfort.

Related Experiment Videos

  • Statistical analysis was performed to assess the significance of observed differences.

    • Main Results:

    • NASP was superior to ASP for thyroid fine needle sampling in all assessed aspects.
    • For breast lesions, NASP reduced discomfort and blood staining, but cellular yield was generally unsatisfactory, though comparable for malignant lesions.
    • Both techniques yielded comparable cellularity for lymph node sampling, with NASP showing superiority in other aspects.

    Conclusions:

    • The choice of fine needle sampling technique should be individualized based on anatomical site, lesion characteristics, and operator preference.
    • NASP demonstrates advantages for thyroid and lymph node sampling, while its utility for breast lesions requires further investigation.
    • Optimizing technique selection can improve diagnostic accuracy and patient experience in cytopathological evaluations.