Recent improvements in ultrasound (US) software and hardware have markedly increased the role of this imaging modality in the evaluation of the musculoskeletal system. US is currently one of the main imaging tools used to diagnose and assess most tendon, muscle, and ligament disorders. Compared with magnetic resonance imaging, US is much less expensive; it has no contraindications and is also widely available. Diseases affecting the digital flexor system (DFS) require early diagnosis if treatment is expected to limit functional impairment of the hand. US scans performed with high-resolution, broad-band transducers allows superb visualization of the flexor tendons of the hand and the annular digital pulleys. In addition, dynamic US can be used to assess movement of the tendon within the pulleys during passive or active joint movements. This article examines the anatomy and US appearance of the normal DFS and reviews the US findings associated with the most common disorders affecting it. © 2007 Elsevier Masson.
Ultrasound of the digital flexor system: Normal and pathological findings
Martinoli C.;
2007-01-01
Abstract
Recent improvements in ultrasound (US) software and hardware have markedly increased the role of this imaging modality in the evaluation of the musculoskeletal system. US is currently one of the main imaging tools used to diagnose and assess most tendon, muscle, and ligament disorders. Compared with magnetic resonance imaging, US is much less expensive; it has no contraindications and is also widely available. Diseases affecting the digital flexor system (DFS) require early diagnosis if treatment is expected to limit functional impairment of the hand. US scans performed with high-resolution, broad-band transducers allows superb visualization of the flexor tendons of the hand and the annular digital pulleys. In addition, dynamic US can be used to assess movement of the tendon within the pulleys during passive or active joint movements. This article examines the anatomy and US appearance of the normal DFS and reviews the US findings associated with the most common disorders affecting it. © 2007 Elsevier Masson.
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