Presentation
Pain and swelling at the base of the volar aspect of the right 5th finger.
Patient Data
Age: 25 years
Gender: Male
From the case:
Ganglion cyst - flexor tendon sheath / A1 pulley
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5 x7 mm well-defined cyst with the fluid equivalent signal at the level of the fifth metacarpophalangeal joint on the radial side and adjacent to the respective fifth flexor tendon sheath A1 pulley.
Case Discussion
Ganglion cyst of the finger flexor tendon occurs more often in women (2.6:1). The middle finger is the most commonly affected site and is located at the A1 and A3 pulleys in 69% of cases 1.