Clinicopathological features of neuropathy associated with IgG4-related disease

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Abstract

The newly recognized entity IgG4-related disease (IgG4-RD) is characterized by an elevated IgG4 serum concentration, swelling of organ, and tissue infiltration by IgG4-positive plasma cells with fibrosis. IgG4-RD has been reported in various organs. In the field of neurology, hypophysitis and hypertrophic pachymeningitis have been known to be related to IgG4-RD, while reported patients with neuropathy manifesting features compatible to IgG4-RD. The features of IgG4-related neuropathy are characterized by sensory-motor neuropathy, mononeuritis multiplex pattern, and predominant involvement of distal portions of the lower extremities. In the sural nerve biopsy specimens, fibrosis and IgG4-positive plasma cell infiltration in the epineurium and decreased myelinated fiber density due to axonal degeneration were observed. IgG4-RD should be considered as the differential diagnosis of neuropathy.

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CITATION STYLE

APA

Ohyama, K., Koike, H., Takahashi, M., Kawagashira, Y., Iijima, M., & Sobue, G. (2014). Clinicopathological features of neuropathy associated with IgG4-related disease. In Clinical Neurology (Vol. 54, pp. 1047–1049). Societas Neurologica Japonica. https://doi.org/10.5692/clinicalneurol.54.1047

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