Epidermal inclusion cyst with foreign-body giant-cell reaction treated with surgical excision and rotational flap closure: A case report

Abstract

Epidermal inclusion cysts (epidermoid cysts) occur from penetration of epidermal cells into underlying dermal tissue. They are most commonly found on the scalp, face, neck, and back with a reported incidence of 10% on the extremities. We present the case of a 53-year-old female who presented with complaint of a painful plantar forefoot soft-tissue mass of insidious origin. After magnetic resonance imaging, she was treated with surgical excision and plastic rotational flap closure. The surgical site healed without incident, and she was able to ambulate pain free in her normal footwear with full weight bearing and no shoe modifications or orthotics. This case was novel in that the size of the lesion required the use of a uni-lobe full-thickness rotational skin flap to achieve complete tension-free closure.