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February 1990

Peripheral Neuropathy Associated With α1-Antitrypsin Deficiency

Author Affiliations

From the Department of Laboratory Medicine, Yale-New Haven (Conn) Hospital (Dr Frederick), and the Laboratory Service, Veterans Administration Medical Center, West Haven, Conn (Drs Enriquez and Bookbinder).

Arch Neurol. 1990;47(2):233-235. doi:10.1001/archneur.1990.00530020147031

• Peripheral neuropathy associated with α1-antitrypsin deficiency is an uncommon condition. Several recent studies have investigated the possible roles of serum proteinase inhibitors in inflammatory neuropathies, such as multiple sclerosis, Landry-Guillain-Barré syndrome, and various chronic inflammatory demyelinating peripheral neuropathies. We present a case in which α1-antitrypsin deficiency (proteinase inhibitor ZZ phenotype) was diagnosed in a young white man with clinical signs and symptoms of peripheral neuropathy and a history of Landry-Guillain-Barré syndrome. We wish to emphasize the importance of serum protein electrophoresis in the diagnostic workup of patients presenting with the clinical manifestations of peripheral neuropathy.

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