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.
Hounsfield Units measurement by drawing elliptical ROI on lumbar CT scan. The largest ROI is drawn excluding the cortical bone and vascular markings at mid-vertebral body from each vertebra.
(a) Sagittal image, (b) L1 axial image, (c) L2 axial image, (d) L3 axial image
