Calculators

ICH volume (ABC/2)Kothari 1996
Ellipsoid volume & PSA densityPI-RADS v2.1
ASPECTSBarber 2000
ACR TI-RADSACR 2017
LI-RADS CT/MRI v2018ACR v2018
PI-RADS v2.1v2.1 2019
Spetzler–Martin AVM gradeSpetzler 1986
CT severity index (Balthazar)Balthazar 1990
Adrenal incidentaloma & washoutACR 2017
Carotid stenosis: SRU Doppler & NASCETSRU 2003

Radessential summarizes published classification systems for practicing radiologists. Summaries are condensed; confirm details against the cited source before relying on them for patient care.