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2026, Number P5

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Acta Med 2026; 24 (P5)

Intraosseous tophus of patellar location, uncommon presentation in magnetic resonance imaging

Martínez MED, Hernández JR, Trani SKÁ, Gómez PMG
Full text How to cite this article

Language: Spanish
References: 4
Page: 611-613
PDF size: 1106.77 Kb.


Key words:

intraosseous tophus, gout, patella, magnetic resonance imaging, case report.

ABSTRACT

Gout is an arthropathy caused by the deposition of monosodium urate crystals, typically presented in periarticular tissues. Intraosseous tophus is a rare manifestation that can mimic neoplastic lesions. We present the case of a 45-year-old man with a history of gout. Magnetic resonance imaging identified an intraosseous lesion in the patella. Imaging features were consistent with intraosseous tophus. The importance of differential diagnosis and the role of imaging in cases with few symptoms and uric acid levels below 7 mg/dL.


REFERENCES

  1. Melloni P, Valls R. Unusual imaging manifestations of intraosseoustophaceous gout of the patella. J Rheumatol. 2005; 32 (5): 959-961.

  2. Ko KH, Hsu YC, Lee HS, Lee CH, Huang GS. Tophaceous gout of theknee: revisiting MRI patterns in 30 patients. J Clin Rheumatol. 2010;16 (5): 209-214. doi: 10.1097/RHU.0b013e3181e92c38.

  3. Pijoan J, Minguell J, Reverte M. Intraosseus tophaceous gout of thepatella. A case report and review of the literature. Biomed J Sci TechRes. 2021; 33 (3). doi: 10.26717/bjstr.2021.33.005395.

  4. Girish G, Glazebrook KN, Jacobson JA. Advanced imaging ingout. AJR Am J Roentgenol. 2013; 201 (3):515-525. doi: 10.2214/AJR.13.10776.




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Acta Med. 2026;24