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[Hand distal interphalangeal joints: sonographic anatomy]
T Le Corroller1, N Pirro, P Champsaur
1Service d'imagerie médicale, hôpital Sainte-Marguerite, 270, boulevard de Sainte-Marguerite, 13009 Marseille, France. thomas.lecorroller@ap-hm.fr
Morphologie : Bulletin De L'Association Des Anatomistes
|November 7, 2008
Summary
High-frequency ultrasonography effectively visualizes the anatomy of hand distal interphalangeal joints. This imaging technique accurately depicts intra-articular and periarticular structures in asymptomatic volunteers and cadavers.
Area of Science:
- Musculoskeletal imaging
- Anatomy
- Hand surgery
Background:
- Accurate anatomical assessment of hand distal interphalangeal joints is crucial for diagnosis and treatment.
- Ultrasonography offers a non-invasive method for evaluating joint structures.
Purpose of the Study:
- To establish normal sonographic anatomy of the distal interphalangeal joints.
- To compare ultrasonographic findings with cadaveric anatomical dissections.
Main Methods:
- High-frequency linear-array transducer used for scanning.
- Evaluated hands from embalmed cadavers and asymptomatic volunteers.
- Longitudinal, transverse, and coronal scanning planes utilized.
Main Results:
- Sonography clearly visualized extensor tendons, deep flexor tendons, and palmar plates.
- Radial and ulnar collateral ligaments were consistently identified.
- Dorsal triangular structures and cartilage were visualized; synovial recesses better seen with fluid.
Conclusions:
- High-frequency ultrasonography provides detailed anatomical insights into distal interphalangeal joint structures.
- This modality is valuable for assessing intra-articular and periarticular components.
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