CSF oligoclonal bands in multiple sclerosis.

I. Siddiqui, S. Aleem, N. Kayani, S. Baig

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)


OBJECTIVE: To study the significance of oligoclonal bands in neurological disorders, specifically in Multiple Sclerosis (MS). METHODS: The study was designed to assess the sensitivity and specificity of the test methodology of CSF electrophoresis by performing the retrospective analysis of CSF samples sent for oligoclonal bands (OCB). A total of 603 samples were received by the Clinical Laboratories, Department of Pathology of The Aga Khan University, during a period of 54 months (January 1993-June 1997). All of these samples were analyzed by performing CSF protein electrophoresis. One hundred thirty three out of 603 samples showed evidence of OCB. Out of these, 24 patients were registered with Section of Neurology, Department of Medicine, The Aga Khan University Hospital. These 24 patients were finally selected for analysis. Relevant clinical details such as age, sex and clinical presentations were recorded. RESULTS: Fifteen (62%) out of 24 patients with positive OCB were diagnosed as cases of MS. Four (17%) patients were diagnosed to have subacute sclerosing panencephalitis (SSPE). Five (21%) patients were having other inflammatory neurological disorders. CONCLUSION: The overall relative sensitivity and specificity for multiple sclerosis were found to be 100% and 62.5% respectively. Lack of specificity was attributed to the fact that OCB were positive in other neurological disorders as well.

Original languageEnglish
Pages (from-to)351-353
Number of pages3
JournalJPMA. The Journal of the Pakistan Medical Association
Issue number8
Publication statusPublished - Aug 2002


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