• We report two cases of cutaneous horn: one on the palm and one on the thumb. Microscopic examination of the lesion revealed trichilemmal-like keratinization that was unrelated to hair follicles. Each of these lesions most probably developed within a preexisting verruca vulgaris.
(Arch Dermatol 1984;120:386-387)
Nakamura K. Two Cases of Trichilemmal-like Horn. Arch Dermatol. 1984;120(3):386-387. doi:10.1001/archderm.1984.01650390108025