Lunotriquetral (LT) coalition is the most common carpal coalition. Four morphological
types of LT coalition have been described. LT coalition is usually asymptomatic, but
rarely a fibrocartilaginous type may cause ulnar wrist pain. We report a case of bilateral
asymptomatic LT coalition that was seen incidentally on conventional radiography taken
after a wrist injury. Conventional radiography is the first imaging technique to detect
and classify this type of LT coalition. Magnetic resonance imaging is a useful tool
to investigate possible associated pathology of the carpal joints, particularly if
surgical treatment of a symptomatic patient is anticipated.
Keywords
lunotriquetral coalition - computed tomography - carpal bones - conventional radiography
- magnetic resonance imaging
