Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine · 2002
Ultrasonography of the accessory nerve: normal and pathologic findings in cadavers and patients with iatrogenic accessory nerve palsy.
Клинический случайСтатьяНазвание и аннотация: Перевод в очереди
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Bodner Gerd, Harpf Christoph, Gardetto Alex, Kovacs Peter, Gruber Hannes, Peer Siegfried, Mallhoui Ammar
Аннотация
OBJECTIVE: To determine feasibility of ultrasonography in detecting the normal accessory nerve as well as pathologic changes in cases of accessory nerve palsy.
METHODS: Four patients with accessory nerve palsy were investigated by ultrasonography. Three cases of accessory nerve palsy after lymph node biopsy and neck dissection were primarily diagnosed on the basis of ultrasonography using a 5- to 12-MHz linear transducer. In addition, we performed ultrasonography in 3 cadaveric specimens to show the feasibility of detecting the accessory nerve.
RESULT: Nerve transection (n = 2), scar tissue (n = 1), and atrophy of the trapezius muscle (n = 4) were confirmed by electroneurographic testing and surgical nerve inspection. In 1 case in which a patient had a whiplash injury with accessory nerve palsy, ultrasonography showed atrophy of the trapezius muscle with a normal nerve appearance.
CONCLUSIONS: Ultrasonography allows visualization of the normal accessory nerve as well as changes after accessory nerve palsy.
METHODS: Four patients with accessory nerve palsy were investigated by ultrasonography. Three cases of accessory nerve palsy after lymph node biopsy and neck dissection were primarily diagnosed on the basis of ultrasonography using a 5- to 12-MHz linear transducer. In addition, we performed ultrasonography in 3 cadaveric specimens to show the feasibility of detecting the accessory nerve.
RESULT: Nerve transection (n = 2), scar tissue (n = 1), and atrophy of the trapezius muscle (n = 4) were confirmed by electroneurographic testing and surgical nerve inspection. In 1 case in which a patient had a whiplash injury with accessory nerve palsy, ultrasonography showed atrophy of the trapezius muscle with a normal nerve appearance.
CONCLUSIONS: Ultrasonography allows visualization of the normal accessory nerve as well as changes after accessory nerve palsy.