Clinical/methodical Issue: The carpal joint is one of the most complex joints in the body comprising multiple bones that allow flexibility while simultaneously providing stability. Variations in osseous structures that may be either cause or result of pathological changes may make radiological reporting challenging. Only the knowledge of important osseous variations allows a reliable assessment of carpal imaging studies.
Standard Radiological Methods: The standard imaging technique for evaluation of osseous carpal structures is conventional radiography, which is followed by computed tomography (CT) and-under special circumstances-magnetic resonance imaging (MRI). Other imaging methods such as sonography or nuclear medicine studies do not play a significant role in clinical routine.
Methodical Innovations: Apart from continuous reduction in effective radiation dose, there have been no significant methodical improvements in the past decade regarding imaging of osseous carpal structures in clinical routine.
Practical Recommendations: As the initial diagnostic procedure, conventional radiography usually allows a safe and reliable diagnosis of osseous structures. Unclear or discrepant imaging findings between clinical and imaging assessment should initiate further imaging, preferably with CT. Only for certain questions or to reduce effective radiation dose in children MRI studies should be performed in clinical routine.
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