An official website of the United States government
Here's how you know
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
The distribution of urinary hCG values in PHPT and parathyroid carcinoma subjects. A normal urinary hCG does not rule out the possibility of parathyroid cancer (sensitivity is low), but an elevated urinary hCG confirms it (specificity is high).