Syringofibroadenoma Watchlist (log in to enable) Retrieved 2021-01-18 Source Wikipedia Trials — Genes GJB6 Drugs — Interested in hearing about new therapies? Registered! Syringofibroadenoma is a cutaneous condition characterized by a hyperkeratotic nodule or plaque involving the extremities.:668 It is considered of eccrine origin. See also Syringadenoma papilliferum Skin lesion