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Table 3 Radiological characteristics for AFBN

From: Acute focal bacterial nephritis is associated with invasive diagnostic procedures - a cohort of 138 cases extracted through a systematic review

General characteristics Specific features
CT MRI Sonography
Wedged-shaped or round Hypodense in native scan Hypointense in T2w Hypo-, hyper- or isoechogenic
Uni- or multifocal Decreased contrast enhancement Isointense in T1w Hypoperfused in Doppler
Non-liquefactive   Decreased contrast enhancement in T1w  
Poor enhancing   Diffusion restriction  
No capsule