Secondary thyroid carcinomas - Case 6.
Metastasis of a small cell lung cancer (ultrasonographic picture 4)
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Right lobe longitudinal scan. Next to the cystic nodule (right in the image) there is a moderately hypoechogenic lesion with microcalcifications (red arrow). A similiar but less well circumscribed hypoechogenic area is found dorsal to the latter (green arrows).
