Prospective study of the usefulness of sural nerve biopsy

OBJECTIVE This study aimed to determine the usefulness of sural nerve biopsy in neurological practice. METHODS The first prospective study of sural nerve biopsy in 50 consecutive patients was undertaken. The investigating neurologist declared the prebiopsy diagnosis and management plan and after 3 m...

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Bibliographic Details
Published in:Journal of neurology, neurosurgery and psychiatry neurosurgery and psychiatry, 2000-10, Vol.69 (4), p.442-446
Main Authors: Gabriel, C M, Howard, R, Kinsella, N, Lucas, S, McColl, I, Saldanha, G, Hall, S M, Hughes, R A C
Format: Article
Language:English
Subjects:
Action Potentials - physiology
Adolescent
Adult
Aged
Antibodies
Biological and medical sciences
Biopsy
Biopsy - adverse effects
Cranial nerves. Spinal roots. Peripheral nerves. Autonomic nervous system. Gustation. Olfaction
diagnosis
Female
Glycoproteins
Guillain-Barre syndrome
Hospitals
Humans
Male
Medical sciences
Microscopy, Electron
Middle Aged
nerve biopsy
Nervous system (semeiology, syndromes)
Neurology
Patients
Peripheral Nervous System Diseases - pathology
Peripheral Nervous System Diseases - physiopathology
Peripheral neuropathy
Prospective Studies
side effects
Sural Nerve - pathology
Sural Nerve - physiopathology
Sural Nerve - ultrastructure
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Summary:OBJECTIVE This study aimed to determine the usefulness of sural nerve biopsy in neurological practice. METHODS The first prospective study of sural nerve biopsy in 50 consecutive patients was undertaken. The investigating neurologist declared the prebiopsy diagnosis and management plan and after 3 months an independent neurologist evaluated the contribution of the biopsy to diagnosis and management. An independent audit officer sought information from the patient about the adverse effects and value of the biopsy after 6 weeks and 6 months. RESULTS In seven cases the nerve biopsy changed the diagnosis, in 35 cases the biopsy confirmed the suspected diagnosis, and in eight cases the biopsy was non-contributory. The biopsy either changed or was helpful in guiding patient management in 60%, especially those with demyelinating neuropathy and multiple mononeuropathy. Seven patients reported having had infection and 10 reported increased pain at the biopsy site 6 months later. CONCLUSION In a consecutive series of 50 cases, sural nerve biopsy altered the diagnosis in 14%, affected management in 60%, and caused persistent increased pain at the biopsy site in 33%.
ISSN:0022-3050
1468-330X
DOI:10.1136/jnnp.69.4.442