Multiple cerebrospinal fluid bands with accompanying serum bands.

1 Division of Clinical Biochemistry, Department of Laboratory Medicine, Dr. Everett Chalmers Regional Hospital, Horizon Health Network, Fredericton, New Brunswick, Canada; 2 Department of Pathology, Dalhousie University, Halifax, Nova Scotia, Canada. * Address correspondence to the author at: Division of Clinical Biochemistry, Department of Laboratory Medicine, Dr. Everett Chalmers Regional Hospital, Horizon Health Network, Fredericton, New Brunswick, Canada E3B 5N5. Fax 506-452-5422; e-mail [email protected]. Received March 10, 2014; accepted April 14, 2014. DOI: 10.1373/clinchem.2014.224378 © 2014 American Association for Clinical Chemistry Fig. 1. Isoelectric focusing and IgG immunofixation of the patient’s samples. Lane 1, serum sample; lane 1 , corresponding CSF sample. Clinical Chemistry 60:12 1582–1598 (2014)