Casal collar

English

Etymology

Named after Gaspar Casal, who first described pellagra.

Noun

Casal collar (plural Casal collars)

  1. (pathology) The presence of an erythematous pigmented skin rash in the distribution of a broad collar, seen in patients with pellagra as a result of niacin deficiency.
    Synonyms: Casal necklace, Casal's collar, Casal's necklace
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