Titlebook: Ultrasonography of the Upper Extremity; Hand and Wrist Ferdinando Draghi Book 2014 Springer International Publishing Switzerland 2014 Carpa

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978-3-319-34706-6Springer International Publishing Switzerland 2014

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De Quervain Disease,De Quervain disease affects the retinaculum of the first dorsal wrist compartment, the tendons of the abductor pollicis longus and extensor pollicis brevis, and their synovial sheath.

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Intersection Syndrome,Proximal to their insertions, the extensor carpi radialis longus and brevis tendons pass beneath the abductor pollicis longus and extensor pollicis brevis tendons (Fig. 5.1) and later the tendon of the extensor pollicis longus [1, 2].

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,Wartenberg’s Syndrome,The superficial sensory branch of the radial nerve descends along the anterolateral aspect of the forearm, beneath the brachioradialis muscle. At the wrist, it crosses over the long abductor and short extensor of the thumb. Lesions of the radial nerve at the level of the wrist are named Wartenberg’s syndrome.

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Grasping

Pulleys and the Sagittal Bands,The superficial and deep flexor tendons are stabilized at the level of the fingers by the annular and cruciform pulleys. The extensor tendons are stabilized at the head of each metacarpal bone by aretinaculum known as the sagittal band.

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,Dupuytren’s Disease,The palmar fascia (or aponeurosis) is composed of longitudinal and transverse fibers, which are located mainly in the superficial and deep portions, respectively [.] (Fig. .). Dupuytren’s disease is characterized by nodularthickening and variable retraction of the palmar fascia.

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Rheumatoid Arthritis,Rheumatoid arthritis is a chronic systemic disease that mainly involves the synovial membranes. It affects 0.5–1.0 % of the world population with a clear predilection for females.

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Ganglia,Ganglia are the space-occupying lesions most frequently encountered in the hands and wrists [1, 2]. They are more common in females, and incidence peaks during the second, third, and fourth decades of life [1–3].