Clinical Features:

• Erythematous plaques devoid of hair, most commonly on the head and neck
• Most often self-limiting
• 30% of cases are associated with a lymphoproliferative disorder, especially a cutaneous T-cell lymphoma.

Histologic Features:

• Follicular mucinosis (deposition of mucin within the follicular epithelium) beginning in the infundibulum and eventually involving the entire follicle with formation of mucin-filled cystic spaces
• Perifollicular infiltration of lymphocytes with some eosinophils

Cases associated with this book:

Alopecia mucinosa
Author: Stephen Lyle, M.D., Ph.D.

Conference: DermatopathologyConsultations.com Teaching Collection