Fig. 1A—65-year-old man with right thyroid nodule detected
incidentally by PET scan. Sonogram shows spinal needle protrudes from guiding
needle (arrowheads) as coaxial needles are advanced into nodule.
Fig. 1B—65-year-old man with right thyroid nodule detected
incidentally by PET scan. Sonogram shows guiding needle has been advanced into
nodule. Spinal needle was used to obtain tissue by fine-needle aspiration and
was then removed.
Fig. 1C—65-year-old man with right thyroid nodule detected
incidentally by PET scan. Sonogram shows stylet of biopsy gun has been
advanced into nodule. Sample notch (arrowheads) is visible.
Fig. 1D—65-year-old man with right thyroid nodule detected
incidentally by PET scan. Sonogram shows spring-activated cannula has been
closed over stylet.