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Med. Pr. 2007;58(5):439-447

DIAGNOSTICS OF LYME DISEASE

DIAGNOSTYKA BORELIOZY

Jacek Gąsiorowski, Elżbieta Witecka-Knysz, Brygida Knysz, Hanna Gerber, Andrzej Gładysz

Abstract

Although many years have passed since Borrelia burgdorferi was first identified, advances in understanding biology and clinical course of infection made and new diagnostic procedures developed, Lyme disease is still difficult to diagnose. Therefore, it is often wrongly diagnosed and unnecessarily treated. In this paper we analyzed the latest data on Lyme disease diagnostic methods, paying much attention to their limitations and correct interpretation of results. In routine diagnosis of this diseases, indirect tests, based on the detection of specific IgM and IgG antibodies, are most useful. The Lyme disease diagnosis should begin with screening tests, which are highly sensitive but not specific enough and sometimes yield false positive results, then all positive results should be verified by confirmation tests, which allow to distinguish between true positive results and healthy individuals with false positive ones. Med Pr 2007;58(5):439ś447

Key words

diagnostics, Lyme disease, screening test, confirmation test