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. 2020 Feb 28;7:74. doi: 10.3389/fmed.2020.00074

Figure 1.

Figure 1

Subcutaneous tophi evaluation and response assessment. (A) Baseline subcutaneous tophi on the right hand of a 31-year-old man with tophaceous gout exhibiting multiple subcutaneous tophi. A visible subcutaneous tophus was measured according to its longest diameter by using a Vernier caliper. (B) Follow-up measurement revealed decreased subcutaneous tophi size.