Johns Hopkins physicians report success in a small study of a modified skin biopsy that hastens the earlier diagnosis of an inherited and progressively fatal nerve disease and seems to offer a clearer ...

Chronic inflammatory demyelinating polyneuropathy (CIDP) affects the peripheral nerves. Tests to diagnose this condition include nerve conduction studies, electromyography, and sometimes an MRI. CIDP ...

A muscle biopsy is a minor surgical procedure. Doctors order them to help diagnose certain diseases that involve muscles. During a muscle biopsy, a small piece of tissue is removed from a specific ...

CIDP causes muscle weakness and numbness, among other symptoms. Diagnosing CIDP involves peripheral nervous system testing, cerebrospinal fluid analysis, and imaging. CIDP is an immune-mediated ...