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Washington University Experience | PERIPHERAL NEUROPATHY | 9B PERINEURITIS & PERINEURIAL PATHOLOGY | 6B6 (Case 6) Nerve 036 - Copy

Additional images of perineurial calcification. Perineurial calcifications can be seen in normal individuals as a function of age and as a nonspecific feature of peripheral neuropathies. (electron micrographs) ---- Not shown: The majority of structures reminiscent of onion bulbs in plastic sections have a different appearance in which processes devoid of axons cluster together, a pattern of pseudo-onion bulb formation which is not a demyelinative pattern

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