What are the small lumps in the palm of the hand after carpal tunnel surgery?

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Last updated: April 1, 2025View editorial policy

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From the Guidelines

Small lumps in the palm of the hand after carpal tunnel surgery are typically a normal part of the healing process and usually resolve on their own within a few months. To manage these lumps, it is recommended to apply ice for 15-20 minutes several times daily during the first week after surgery to reduce swelling, as suggested by general postoperative care principles 1. After the first week, switching to warm compresses for 15 minutes 3-4 times daily can help with healing and absorption of fluid. Gentle massage of the area after 2-3 weeks, once the incision has healed, can help break up scar tissue. It is also advisable to take prescribed pain medications as directed, and over-the-counter NSAIDs like ibuprofen (400-600mg every 6-8 hours with food) can help with both pain and inflammation. However, if the lumps are growing larger, becoming more painful, red, warm to touch, or if you develop fever or drainage from the surgical site, it is crucial to contact your surgeon immediately as these could indicate infection or other complications. Some key points to consider include:

  • The natural healing process involves temporary inflammation and scar tissue formation.
  • Monitoring for signs of infection, such as increased redness, warmth, or fever, is essential.
  • Following the surgeon's postoperative instructions is vital for proper healing and to minimize the risk of complications, as carpal tunnel decompression has a strong evidence base supporting its clinical effectiveness 1. Given the strong evidence base for carpal tunnel decompression, as noted in a recent study published in the BMJ 1, prioritizing patient care and safety through evidence-based surgical and non-surgical interventions is crucial.

From the Research

Post-Carpal Tunnel Surgery Complications

  • Small lumps in the palm of the hand after carpal tunnel surgery can be a complication, however, the provided studies do not directly address this issue.
  • Studies have investigated the effectiveness of different treatments for carpal tunnel syndrome, such as ultrasound-guided corticosteroid injections 2 and surgical techniques 3, 4.
  • One study found that patients who received corticosteroid injections within 30 days before surgery had increased rates of surgical site infections and noninfectious wound complications 5.
  • Another study compared the effectiveness of steroid injection combined with miniscalpel-needle release versus steroid injection alone for the treatment of carpal tunnel syndrome, and found that the combined therapy was more beneficial 6.

Surgical Techniques and Complications

  • A study on surgical ultrasound-guided carpal tunnel release discussed the importance of knowledge of musculoskeletal ultrasonography and the potential complications of the procedure 3.
  • A modified open decompression technique that preserves subcutaneous nerves was found to reduce postoperative scar discomfort in patients with carpal tunnel syndrome 4.
  • The etiology of scar discomfort after carpal tunnel surgery is discussed in the context of anatomic variations of subcutaneous innervation 4.

Treatment Outcomes

  • Studies have evaluated the effectiveness of different treatments for carpal tunnel syndrome using outcomes such as Boston Carpal Tunnel Questionnaire (BCTQ) scores, grip strength, and electrophysiological parameters 2, 6.
  • The results of these studies suggest that ultrasound-guided treatments and surgical techniques can be effective in improving symptoms and functional outcomes for patients with carpal tunnel syndrome 2, 3, 6.

Professional Medical Disclaimer

This information is intended for healthcare professionals. Any medical decision-making should rely on clinical judgment and independently verified information. The content provided herein does not replace professional discretion and should be considered supplementary to established clinical guidelines. Healthcare providers should verify all information against primary literature and current practice standards before application in patient care. Dr.Oracle assumes no liability for clinical decisions based on this content.

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