Epidermal cysts are slow-growing, raised, round-oval, firm intradermal tumors. Histologically, epidermal cysts are characterized by a wall composed of true epidermis and lumen filled with keratinous material in laminated layers. Most epidermal cysts arise in hair-bearing areas. Sites of predilection are the face, scalp, neck, and trunk. Occasionally, they occur on the palms or soles and overall are rare in children.1 We report 2 cases of plantar epidermal cysts in children.
Report of Cases.Case 1.
The patient was seen at the age of 43/4 years. He had a 6-month history of a cystic lesion on the left foot (Figure). The patient reported tenderness during several activities as well as while wearing shoes. Physical examination revealed a slightly tender, 1-cm, well-circumscribed, firm cystic lesion. The patient's medical and family histories were noncontributory. The lesion was excised 6 months later. Pathologic examination showed a hyperkeratotic cyst lining with a well-developed
Vasiloudes PE, Morelli JG, Weston WL. Plantar Epidermal Cysts in Children. Arch Dermatol. 1997;133(11):1465. doi:10.1001/archderm.1997.03890470145032