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Pisiform Fractures: The Hidden Wrist Injury
Published: Jun 19, 2024
Pisiform fractures are a rare type of wrist injury that can cause significant pain and dysfunction. Understanding this condition can help in recognizing symptoms and seeking appropriate treatment.
What is a Pisiform Fracture?
A pisiform fracture is a break in one of the small bones in your wrist known as the pisiform. This bone is a sesamoid, meaning it is embedded within a tendon, specifically the flexor carpi ulnaris tendon. Pisiform fractures are uncommon and account for only 1.7% of all carpal fractures, typically resulting from falls or direct blows to the hand.
Symptoms to Watch For
The most common symptom of a pisiform fracture is localized pain and swelling on the palmar side of the wrist. Additionally, if the ulnar nerve is affected, you may experience numbness or weakness in your little and ring fingers. Pain typically increases with wrist movement, especially when bending the wrist or moving it sideways.
Diagnosing Pisiform Fractures
Diagnosing a pisiform fracture often begins with an X-ray, although these fractures can be difficult to see. If a fracture is suspected but not visible, doctors may use a CT scan or MRI to confirm the diagnosis. These imaging methods provide a clearer view of both the bone and surrounding soft tissues.
Frequently Asked Questions
Pisiform fractures often result from falls or direct impacts to the palm.
Diagnosis typically involves X-rays, but CT scans or MRIs may be needed for confirmation.
Symptoms include wrist pain, swelling, and possible numbness in the fingers.
They are rare, making up only 1.7% of carpal fractures.
Key Takeaways
Recognizing the signs of a pisiform fracture can lead to timely and effective treatment, preventing further complications.
References
- Eiff MP, Hatch RL. Chapter 5: Carpal fractures. In: Fracture Management for Primary Care, 3rd, Saunders, Philadelphia 2011.
- Balci A, Basara I, Çekdemir EY, et al. Wrist fractures: sensitivity of radiography, prevalence, and patterns in MDCT. Emerg Radiol 2015; 22:251.
This article has been reviewed for accuracy by one of the licensed medical doctors working for Doctronic. Always discuss health information with your healthcare provider.
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