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Fine-needle aspiration

image of Fine-needle aspiration
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Abstract

Fine-needle aspiration is required to obtain a sample for cytology

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Figures

Image of Figure F.1:
Figure F.1: The needle-only aspiration method can be used to collect samples from soft masses or lymph nodes.
Image of Figure F.2:
Figure F.2: The continuous suction aspiration method can be used to collect samples from firm masses.
Image of Figure F.3:
Figure F.3: The contents of the needle should be expelled on to microscope slides and prepared for examination.
Image of Figure F.4:
Figure F.4: Squash preparation. (a) The aspirate should be expelled on to a microscope slide. (b) A ‘spreader’ slide is then drawn across the bottom slide to create the smear.

Supplements

Procedure video: Fine-needle aspiration

This video shows how to obtain cytology samples using fine-needle aspiration. Please note that, for filming purposes, this procedure was performed on a cadaver. Appropriate aseptic techniques should be employed when performing this procedure.

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