Pseudotumoral tophaceous involvement of the Achilles paratenon

Abstract

Gout is the most common form of microcrystalline arthropathy which usually does not pose a diagnostic challenge when patients have typical presentation, appropriate biochemical picture and classical radiographic appearance. However, formation of gouty tophi in unusual locations and with atypical presentations may mislead clinicians and radiologists, thereby justifying gout nickname as the “great mimicker”. When interpreting images of tendon related masses, radiologists should be aware of gouty tophi as a possible differential given its variable and nonspecific imaging appearance. In this article, we present a case of a patient with a painless tophaceous gout nodule, adjacent to the Achilles tendon.

Keywords

• Gout.