J Korean Soc Surg Hand.  2017 Jun;22(2):132-136. 10.12790/jkssh.2017.22.2.132.

Radial Nerve Compression Caused by a Ganglion Cyst at the Elbow

Affiliations
  • 1Department of Plastic Surgery, Bucheon St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Bucheon, Korea. joony@catholic.ac.kr

Abstract

Although ganglion cyst is a relatively common benign mass in soft tissues, there have been very few reports of intramuscular ganglion cyst. We encountered such a case located in the antecubital fossa originating from the supinator muscle. A 61-year-old woman presented with a painless mass in the antecubital fossa. However, the patient complained of a significant sensory deficit in the radial side of the thumb, index, and middle finger. She also had extensor weakness at the metacarpophalangeal joint. The mass was excised completely, with no post-surgical complications. Pathologic results revealed the ganglion cyst. The patient showed improvements in sensory dysfunction and extensor weakness. Intramuscular ganglion cyst can be misdiagnosed. This report might be useful for making an accurate diagnosis and rapidly initiating treatment for an intramuscular mass.

Keyword

Elbow joint; Radial nerve; Ganglion cysts

MeSH Terms

Diagnosis
Elbow Joint
Elbow*
Female
Fingers
Ganglion Cysts*
Humans
Metacarpophalangeal Joint
Middle Aged
Radial Nerve*
Thumb
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