Fig. 4From: Correlation of clinical outcomes with bremsstrahlung and Y-90 PET/CT imaging findings following Y-90 radiosynoviorthesis: a prospective studyAnterior bremsstrahlung planar (a), axial fused PET/CT (b) and co-registered CT (c) images of the left knee demonstrating a focal (non-diffuse) planar imaging Y-90 pattern located extra-articularly on fused PET/CT (superficial to the deepest capsular layer but deep to the medial patellar retinaculum)Back to article page