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Biomedical subjects

D L Tuffanelli

Publications and source records attributed to D L Tuffanelli.

At least 55 records · Page 3Linked to original sources

Lupus erythematosus.

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Antibodies, Antinuclear↗

False-positive reaction to VDRL test with prozone phenomena. Association with lymphosarcoma.

A patient with lymphosarcoma had a VDRL test reactive at 1:256. A prozone phenomenon was also present. The nontreponemal test result was shown to be a false-positive reaction by nonreactive Treponema pallidum immobilization and fluorescent treponemal antibody absorption tests. High-titer serologic tests for syphilis are uncommon, and prozone reactions are previously unrecorded in the false-positive reactor.

Diagnosis, Differential↗