Fig. 3
From: Role of diffusion-weighted MRI in evaluation of pediatric musculoskeletal soft tissue masses
A 7-year-old female patient, presented with a painless mass at the anteromedial aspect of the left knee. A Sagittal T1WI: A localized well-defined multilocular cystic mass of low signal intensity is seen in the anteromedial aspect of the left knee with intact articular cartilages, peri-articular musculature, ligaments and preserved intervening fat planes. B, C Sagittal and axial T2WI: the mass elicits intermediate to high signal intensity. D Coronal STIR: the mass appears of high signal intensity with signal void structures seen within. E Axial DWI: The mass elicits high signal intensity. F Axial DW-ADC map image: low signal intensity recorded with mean ADC value (1.058 × 10–3 mm2/s). Pathological result was localized extra-articular pigmented villonodular synovitis