Headache & Pain
Aug. 19, 2021
Nearly 3,000 illustrations, including video clips of neurologic disorders.
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X-ray image of the left wrist showing a soft tissue mass adjacent to the metacarpal and proximal to the second finger due to a collection of sodium urate monohydrate, or uric acid. (Source: Ambarsari CG, Cahyadi D, Sari L, et al. Late diagnosis of Lesch-Nyhan disease complicated with end-stage renal disease and tophi burst: a case report. Ren Fail 2020;42(1):113-21. Creative Commons Attribution License. http://creativecommons.org/licenses/by/4.0.)