PMC6681606_01
Severe synovitis detected by ultrasonography at 3 months after the introduction of nivolumab. (a) Articular synovitis (arrow) and peritendinitis of digital extensor tendon (arrowhead) in the 2nd metacarpophalangeal (MCP) joint (dorsal aspect, longitudinal view). (b) Articular synovitis (arrow) in a radiocarpal-intercarpal joint (dorsal aspect, longitudinal view). (c) Peritendinitis of digital extensor tendon (arrowhead) in MCP joint (dorsal aspect, transverse view). (d) Tenosynovitis (arrow) of the fourth compartment (extensor indicis and extensor digitorum communis) of the extensor tendons (dorsal aspect, longitudinal view). (e) Tenosynovitis (arrow) of the long head of the biceps (transverse view). (f) Subdeltoid bursitis (arrow) (longitudinal view). (c) Capitatum. (d) Deltoid muscle. (h) Humerus. (l) Lunatum. (m) Media. (p) Proximalis.
CRIRH2019-7340692.001.jpg
PMC6681606_01_CRIRH2019-7340692.001.jpg
fig1
Ultrasound detected severe articular synovitis represented by synovial hypertrophy with remarkable power Doppler (PD) signals in bilateral MCP (Figure 1(a)) and wrists (Figure 1(b)), PD-positive peritendinitis of digital extensor tendons (Figure 1(a) and 1(c)), tenosynovitis of carpal extensor tendons (Figure 1(d)) and digital flexor tendons, tenosynovitis of the long head of the biceps (Figure 1(e)), and subdeltoid-subacromial bursitis (Figure 1(f)).