Presentation
Hypercalcemia, PTH 270 ng/l.
Patient Data
Age: 65 years
Gender: Female
From the case:
Parathyroid adenoma
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Info
![](https://prod-images-static.radiopaedia.org/images/1706437/b8ebcac7467e63627fe50c1aca4590_big_gallery.jpg)
Sharply marginated, hypoechogenic lesion at the dorsal lower pole of the left thyroid lobe. Image provided by Caroline Mommsen.
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![](https://prod-images-static.radiopaedia.org/images/1706444/6bfd4bea1dd7bc5a09ea1c18839758_big_gallery.jpg)
Parathyroid adenomas typically retain activity on late scans after wash-out in the thyroid has occurred. Images provided by Caroline Mommsen