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(A) US and (B) superposed US images using the long-axis approach show tears (black arrowhead and grey shade) of the meniscus homologue (red shade) and prestyloid recess effusion (blue shade), indicating Class 1E triangular fibrocartilage complex injury. The different color dashed rectangles are in accordance with the transducer positions in Figure 3. US: ultrasound; U: ulna; R: radius; L: lunate; T: triquetrum; ECU, extensor carpi ulnaris.
