Which of the following gauges is most commonly used for a standard Fine Needle Aspiration (FNA) of a superficial palpable mass?
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Correct answer: 22 to 25 gauge
Standard FNA typically utilizes 22 to 25 gauge needles. This size is sufficient to harvest cellular material while minimizing trauma and reducing blood contamination in the sample.
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More Fine Needle Aspiration Cytology questions
- What is the primary advantage of the 'non-aspiration' (capillary) technique over the 'aspiration' (suction) technique in FNAC?
- In FNAC, a 'diff-quik' or Romanowsky-type stain is primarily used for:
- Which of the following is the standard fixative used for 'wet-fixed' smears intended for Papanicolaou staining?
- An FNA of a thyroid nodule reveals 'Orphan Annie eye' nuclei and nuclear grooves. This is most suggestive of:
- Which system is currently used to report thyroid cytopathology results in the United States?
- In a lymph node FNA, the presence of 'Tingible body macrophages' suggests which diagnosis?