Reference
Quick, image-heavy reference pages built for speed: open, verify, move on.
Shunt Valve Settings
Tap images for full-screen view. Includes valve type, orientation, and example settings.
Modic Endplate Changes
Type 1, 2 & 3 vertebral endplate changes — T1/T2 signal patterns, histology, and clinical significance at a glance.
ACR TI-RADS
Thyroid nodule risk — pick the ultrasound features for points, TR level, and FNA / follow-up cutoff.
Fleischner 2017
Incidental pulmonary nodule follow-up — by type, size, number and risk.
Bosniak v2019
Renal cyst classification — class, malignancy risk, and management from the dominant feature.
LI-RADS v2018
CT/MRI category for HCC from size, arterial enhancement and the additional major features.
PI-RADS v2.1
Prostate MRI category with the dominant-sequence rules for the peripheral and transition zones.
Lung-RADS v2022
Lung cancer screening CT — category and management from nodule type and size.
ASPECTS
Early ischemic stroke on non-contrast CT — tap the affected MCA regions for the 10-point score.
Modified Fisher
Aneurysmal SAH grade from blood thickness & IVH, with vasospasm risk.
Pfirrmann Grade
Lumbar disc degeneration I–V on sagittal T2 from a single description.