Fig.
Representative patient 4-dimensional contrast-enhanced computed tomography. (A) Precontrast phase. (B) Arterial phase. (C) Venous phase. (D) Delayed phase. Arrows indicate the abnormal parathyroid tissue.
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.