Temporal arteritis laboratory findings: Difference between revisions
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==Overview== | ==Overview== | ||
==Laboratory Findings== | ==Laboratory Findings== | ||
===Electrolyte and Biomarker Studies=== | ===Electrolyte and Biomarker Studies=== | ||
[[Erythrocyte sedimentation rate|Sedimentation rate]] is very high in most of the patients, but may be normal in approximately 20% of cases. | [[Erythrocyte sedimentation rate|Sedimentation rate]] is very high in most of the patients, but may be normal in approximately 20% of cases. | ||
===Biopsy=== | ===Biopsy=== | ||
The [[Gold standard (test)|gold standard]] for diagnosing temporal arteritis is [[biopsy]], which involves removing of a small part of the vessel and examining it [[microscope|microscopically]] for giant cells infiltrating the tissue. Since the [[blood vessel]]s are involved in a patchy pattern, there may be unaffected areas on the vessel and the biopsy might have been taken from these parts. So, a [[false negative|negative result]] does not definitely rule out the diagnosis. | The [[Gold standard (test)|gold standard]] for diagnosing temporal arteritis is [[biopsy]], which involves removing of a small part of the vessel and examining it [[microscope|microscopically]] for giant cells infiltrating the tissue. Since the [[blood vessel]]s are involved in a patchy pattern, there may be unaffected areas on the vessel and the biopsy might have been taken from these parts. So, a [[false negative|negative result]] does not definitely rule out the diagnosis. | ||
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Revision as of 18:23, 6 November 2012
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
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Overview
Laboratory Findings
Electrolyte and Biomarker Studies
Sedimentation rate is very high in most of the patients, but may be normal in approximately 20% of cases.
Biopsy
The gold standard for diagnosing temporal arteritis is biopsy, which involves removing of a small part of the vessel and examining it microscopically for giant cells infiltrating the tissue. Since the blood vessels are involved in a patchy pattern, there may be unaffected areas on the vessel and the biopsy might have been taken from these parts. So, a negative result does not definitely rule out the diagnosis.