Imaging findings of rare plantar eccrine spiradenoma

Abstract

Eccrine spiradenoma (ES) is a rare benign tumor of the eccrine sweat gland typically located in the dermis and subcutaneous layers of the skin. Recent literature suggests they typically arise from proximal torso and upper extremities and commonly present as painful subcutaneous nodules. Given its scarcity, imaging findings are not well established. We report an interesting case of plantar eccrine spiradenoma describing its imaging features and closest differentials.

Keywords

• Eccrine spiradenoma
• Plantar foot mass
• Rare
• Ultrasound imaging