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[Kveim test performed with antigen obtained from lymph nodes].
Medicina Cutanea Ibero-Latino-Americana
|January 1, 1982
Summary
The Kveim test using G-77 antigen shows high positivity in active sarcoidosis patients. This diagnostic tool demonstrates potential for identifying sarcoidosis, even in suspected cases with skin lesions.
Area of Science:
- Immunology
- Dermatology
Context:
- Sarcoidosis is a multisystem granulomatous disease of unknown etiology.
- Accurate diagnostic tools are crucial for timely management.
Purpose:
- To evaluate the efficacy of the Kveim test with G-77 antigen in diagnosing sarcoidosis.
- To assess the test's performance in active disease, remission, and suspected cases.
Summary:
- The Kveim test with G-77 antigen was performed on 46 patients with proven or suspected sarcoidosis and 50 controls.
- Positive results were observed in 85.1% of active, untreated sarcoidosis patients.
- The test showed positivity in 58.1% of suspected cases with skin lesions, with low positivity in controls.
Impact:
- The G-77 antigen Kveim test demonstrates significant diagnostic utility for sarcoidosis.
- Findings support the Kveim test as a valuable aid in sarcoidosis diagnosis, particularly in active disease and suspected cutaneous involvement.