myxoid cyst

Diagnosis: myxoid cyst

myxoid cyst in the distal phalanx of the little finger Sponsored Case: Need to keep track of your CME credits? Do you know your state s requirement? - For your CME tracking needs, please visit http://www.cmesimple.com

Clinical Presentation

myxoid cyst in the distal phalanx of the little finger Sponsored Case: Need to keep track of your CME credits? Do you know your state s requirement? - For your CME tracking needs, please visit http://www.cmesimple.com

Clinical History

Submitted by Humberto Cantu Garza. Originally posted October 31, 2012.

Treatment

See case discussion.

Differential Diagnosis

• Epidermal inclusion cyst • Ganglion cyst • Giant cell tumor of tendon sheath • Gout (tophus)

Key Learnings

• Also called myxoid pseudocyst or digital mucous cyst • Translucent, dome-shaped, fluctuant nodule on dorsal distal finger near nail • Contains viscous, jelly-like mucinous material • Associated with osteoarthritis (DIP joint) • Can cause longitudinal nail grooving by compressing nail matrix • Not a true cyst (no epithelial lining)

Tags: myxoid, cyst, humberto cantu garza