Abstract
The purpose of the Journal of the Belgian Society of Radiology is the publication of articles dealing with diagnostic and interventional radiology, related imaging techniques, allied sciences, and continuing education
Highlights
On sagittal fatsuppressed T2-WI, the lesion contained multiple intralesional areas of low signal intensity interspersed with areas of high signal (Fig. C, star)
Blooming artefact was seen on gradient echo imaging
Based on the imaging findings, the diagnosis of Pigmented VilloNodular Synovitis (PVNS) was made, which was confirmed on surgery (Fig. D, surgical view showing a lesion with black pigment within the synovium) and subsequent histological examination
Summary
An MRI was performed for further characterization. These images show an intra-articular nodular mass within the anterior ankle joint recess. The lesion was of intermediate to low signal intensity on axial T1-weighted (WI) On sagittal fatsuppressed T2-WI, the lesion contained multiple intralesional areas of low signal intensity interspersed with areas of high signal (Fig. C, star). A peripheral low signal intensity rim was seen, in keeping with hemosiderin deposition within the synovium (Fig. C, black arrow).
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