Lichen spinulosus (LS) is a rare, benign disorder of unknown cause. Unlike keratosis pilaris (KP), LS is usually localized to sites of predilection such as acral areas.1 However, a more severe generalized variant also exists and has been associated with later onset and concomitant illness.2- 4
Correspondence: Dr Rao, Division of Dermatology and Cutaneous Sciences, Department of Medicine, University of Alberta, 2-125 Clinical Sciences Bldg, Edmonton, Alberta, Canada, T6G 2G3 (jrao@ualberta.ca)
Financial Disclosure: None reported.