Relapsing polychondritis: a case diagnosed by direct immunofluorescence and coexisting with pseudocyst of the auricle.
case_report · Level V
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Abstract
A case of relapsing polychondritis with perichondrial IgG and C3, dermoepidermal IgG, and a coexisting pseudocyst of the auricle is reported. The use of direct immunofluorescence testing in establishing a diagnosis of relapsing polychondritis and the expected findings are reviewed. In some cases direct immunofluorescence may allow a diagnosis of relapsing polychondritis before clinical criteria or a routine histologic evaluation suggests a definite diagnosis.
Medical subject headings
- Ear, External
- Epidermal Cyst
- Polychondritis, Relapsing