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Symptomatic lunate-triquetral coalition

R Marburger¹, R C Burgess

¹Division of Orthopaedic Surgery, University of Kentucky, Lexington 40536, USA.

Journal of the Southern Orthopaedic Association

|January 1, 1995

Summary

Carpal coalitions, a rare wrist anomaly, can cause hidden wrist pain. This condition, often asymptomatic, is linked to joint degeneration.

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Area of Science:

Orthopedics
Anatomy
Radiology

Background:

Carpal coalitions are uncommon congenital anomalies resulting from incomplete segmentation of carpal bone precursors.
These anomalies involve the abnormal fusion of two or more carpal bones.

Observation:

The most frequent carpal coalition occurs between the lunate and triquetrum.
Previously, carpal coalitions were thought to be asymptomatic.

Findings:

Carpal coalition can be a source of occult wrist pain.
Associated degenerative arthritis in incompletely fused joints contributes to wrist pain.

Implications:

Carpal coalitions should be considered in the differential diagnosis of unexplained wrist pain.
Understanding this anomaly aids in diagnosing and managing wrist pain, particularly in cases with degenerative changes.

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