Abstract
Conclusions
1. A serological reaction has been obtained between sera of patients with sarcoidosis and antigens from anonymous mycobacteria, using agar diffusion technic. 2. The reaction has occurred in sera of 28 of 32 patients, 3 of which changed from negative to positive as lesions improved. 3. The data permit no conclusion as to specificity of this reaction, but suggest its value as an additional diagnostic method in sarcoidosis.
The author expresses gratitude to Dr. M. M. Cummings, Oklahoma City; Dr. Helen Dickie, Madison, Wis.; Dr. Edwin Kendig, Richmond, Va.; and Dr. Howard Buechner, New Orleans, for assistance in obtaining sera from their several areas.
The author wishes to express his great obligation to Miss Maro Speight, whose untiring and enthusiastic efforts have made this study possible, and to Dr. Lloyd Hirshberger, San Angelo, Texas, for providing sera and information on the sanatorium patients.
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