The case of a patient with two unusual dermatologic entities, multiple glomus tumors and the painful purpura of Gardner-Diamond syndrome, is reported. The diagnosis of multiple glomus tumors was confirmed by biopsy, and the GardnerDiamond syndrome was confirmed by reproduction of the painful purpura with the intradermal injection of the patient's sonicated erythrocytes.
Pearson B, Mazza JJ. Gardner-Diamond Syndrome With Multiple Glomus Tumors. Arch Dermatol. 1975;111(7):893-895. doi:10.1001/archderm.1975.01630190083009