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Case Reports
. 2018 Jan 31;102(1):11.
doi: 10.5334/jbsr.1477.

Diffuse Pigmented Villonodular Synovitis of the Subtalar Joint

Pierre Tritschler  1 , Vincent Baudrez  1 , Eugène Mutijima  2
Affiliations
Case Reports

Diffuse Pigmented Villonodular Synovitis of the Subtalar Joint

Pierre Tritschler et al. J Belg Soc Radiol. .
No abstract available

Keywords: MRI; PVNS; ankle; diffuse pigmented villonodular synovitis.

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Figures

Figure 1
Figure 1
a. Sagittal T1-weighted image without gadolinium injection shows an intra-articular hypointense mass (white star) in the subtalar joint. b. Sagittal T1-weighted image with gadolinium injection shows the mass with heterogeneous enhancement (black star).
Figure 2
Figure 2
a. Sagittal Turbo Spin-Echo T2-weighted image shows an hypointense mass (white star) with low signal intensity foci corresponding to hemosiderin deposition (white arrows). b. On Sagittal Gradient Echo T2-weighted images, hemosiderin deposition appears more visible because of the blooming effect due to the magnetic susceptibility (white arrows).
Figure 3
Figure 3
a. Photomicrograph (hematoxylin-eosin stain, power field view × 20) shows mononuclear histiocyte-like cells with rare multinucleated giant cells. b. Photomicrograph (hematoxylin-eosin stain, power field view × 20) shows hemosiderin-laden macrophages.
See this image and copyright information in PMC

References

    1. Murphey, MD, Rhee, JH, Lewis, RB, Fanburg-Smith, JC, Flemming, DJ and Walker, EA. Pigmented villonodular synovitis: radiologic-pathologic correlation. Radiogr Rev Publ Radiol Soc N Am Inc. 2008; 28(5): 1493–1518. DOI: 10.1148/rg.285085134 - DOI - PubMed

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