Multifocal Pigmented Villonodular Synovitis in the Noonan Syndrome.

Miri, Othmane;Bonnet, Nicolas;Lysy, Philippe;Loucheur, Naima;Docquier, Pierre-Louis;et.al.
(2018) Case Reports in Orthopedics — Vol. 2018, p. 7698052 [1-5] (2018)

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Authors
  • Miri, Othmaneorcid-logoUCLouvain
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  • Bonnet, NicolasUCLouvain
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  • Loucheur, NaimaUCLouvain
    Author
  • Gayito, RenéUCLouvain
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Abstract
Noonan-like/multiple giant cell lesion (NS/MGCL) is a rare condition overlapping with Noonan syndrome. Once thought to be a specific and separate entity, it is now suggested to be a variant of the Noonan syndrome spectrum. We report the case of an 8-year-old boy with a typical clinical picture of Noonan syndrome with a de novo germline mutation of PTPN11 (c.854 T>C). During his follow-up, the patient developed multifocal pigmented villonodular synovitis which first affected the left knee and shortly after both elbows.
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Citations

Miri, O., Bonnet, N., Lysy, P., Loucheur, N., Gayito, R., & Docquier, P.-L. (2018). Multifocal Pigmented Villonodular Synovitis in the Noonan Syndrome. Case Reports in Orthopedics, 2018, 7698052 [1-5]. https://doi.org/10.1155/2018/7698052 (Original work published 2018)