Quantification of Urinary Stone Volume: Attenuation Threshold-based CT Method-A Technical Note
Authors
Demehri
S.
,
Kalra
M.K.
,
Rybicki
F.J.
,
Steigner
M.L.
,
Lang
M.J.
,
Houseman
E.A.
,
Curhan
G.C.
,
Silverman
S.G.
.
Radiology. 2011 ; 258(3).
915-922
Radiology. 2011 ; 258(3).
915-922
Abstract
A method that uses a variable stone attenuation (equal to half of the attenuation of each stone) yielded more accurate and precise volume measurements than a method with a fixed attenuation threshold.