A 40-year-old African American man presented with thinning of the lateral eyebrow hair and sideburns bilaterally. Examination revealed symmetric hair loss at both sites with no perifollicular erythema or scale (Figure 1A). A punch biopsy specimen of the left sideburn skin revealed features consistent with with late-stage lichen planopilaris (LPP).
A 58-year-old white man presented with thinning hair on the frontal scalp with pruritus and subsequent loss of sideburns and body hair. He had loss of lateral eyebrow hair, loss of sideburns, alopecia with loss of follicular ostia on the crown, and patchy noninflammatory alopecia of the face, trunk, and extremities (Figure 1B). A punch biopsy of the left sideburn skin revealed changes consistent with LPP (Figure 2).