Peri A1 pulley ganglion
Painful nodule at palmar aspect of right 2nd and 3rd metacarpo-phalangeal joints for a few days. No trauma.
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There are anechoic cysts abutting A1 pulleys of 2nd and 3rd metacarpo-phalangeal joints; measuring about 4 x 3 x 2 mm. There is no thickening of A1 pulleys at 2nd or 3rd metacarpo-phalangeal joint.
There is no tendon thickening / tenosynovitis / flexor tendon tear . Palmar plate is intact. There is no joint effusion .
Ultrasound findings of peri A1 pulley ganglia involving 2nd and 3rd metacarpo-phalangeal joints.