Epidermal Inclusion Cyst following Percutaneous Trigger Finger Release

Area of Science:

• Dermatology
• Orthopedic Surgery

Background:

• Epidermal inclusion cysts are benign lesions resulting from epidermal cell inclusion in deeper skin layers, often due to trauma.
• Percutaneous release is a minimally invasive surgical technique for conditions like trigger finger, offering good outcomes.
• However, the puncture injury inherent in percutaneous procedures can lead to complications, including epidermal inclusion cysts.

Observation:

• A case of trigger finger in the left middle finger treated with percutaneous release.
• The patient experienced symptom recurrence and underwent a second percutaneous release five months later.
• An epidermal inclusion cyst developed five months after the second procedure and was successfully treated with excision.

Findings:

• Percutaneous release, while effective, carries a risk of iatrogenic epidermal inclusion cyst formation.
• The development of a mass lesion without signs of infection in the percutaneous release area warrants consideration of this complication.
• Sonography is a valuable tool for diagnosing mass lesions in the post-procedure period.

Implications:

• Increased awareness among clinicians regarding the potential for epidermal inclusion cysts after percutaneous release procedures is crucial.
• Consideration of sonography for any developing mass lesion in the treated area is recommended.
• This case highlights the importance of vigilant follow-up after percutaneous interventions to detect and manage potential complications.