Figure 2
From: Identification of tophi in ultrasound imaging based on transfer learning and clinical practice
Ultrasound images of (A) left 1st metatarsophalangeal joint lateral side with tophi and (B) right 1st metatarsophalangeal joint lateral side without tophi in single gout patient. The red curve indicates the boundary of the tophi region. The blue rectangle frame indicates the region of interest drawn by a rheumatologist for subsequent transfer learning.
