research Multi-Dermatomal Unilateral Nevus Comedonicus Along the Lines of Blaschko: A Rare Presentation November 2017 in “International journal of research in dermatology” A rare skin disorder, nevus comedonicus, can appear on one side of the body following Blaschko's lines.
research Pruritic Hyperkeratotic Facial Papules in a 34-Year-Old Woman Diagnosed with Trichostasis Spinulosa 1 citations, December 1997 in “Archives of dermatology” A 34-year-old woman had itchy black bumps on her face due to a condition called trichostasis spinulosa.