Nerve biopsy without muscle sampling: is it enough for diagnosing vasculitis?

Magy, Laurent; Vallat, Jean-Michel
December 2008
Journal of Neurology, Neurosurgery & Psychiatry;Dec2008, Vol. 79 Issue 12, p1307
Academic Journal
The author comments on a study on the use of nerve and muscle biopsy in the diagnosis of vasculitis. The study shows that combined muscle and nerve biopsy does not increase the diagnostic yield compared with nerve biopsy alone. The author states that the results seem to contradict previous studies where a substantial number of patients had proven vasculitis in the muscle but not in the nerve. However, he reveals that there is no way to determine which muscle is involved in the vasculitis process.


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