A 67-year-old white man had typical signs of acrokeratosis verruciformis of Hopf. Unusual aspects of the case were late onset of the lesions and lack of a family history of the condition. Observations by past authors are reviewed, and possible linkage with Darier's disease is discussed.
Schueller WA. Acrokeratosis Verruciformis of Hopf. Arch Dermatol. 1972;106(1):81-83. doi:10.1001/archderm.1972.01620100067019