This definition appears rarely
On the basis of our results, we propose that epidermoid cysts in the palmoplantar regions may develop from eccrine ducts, and that HPV and injury may play a role in their pathogenesis. 93. Kato N, Ueno H: Two cases of plantar epidermal cyst associated with human papillomavirus. Clin Exp Dermatol 17(4):252-256, 1992. HPV-associated epidermal cysts of the sole.