Infantile digital fibromatosis presents as a firm, smooth, reddish nodule on the side of a toe in an infant.
A benign sweat gland tumor, usually on the sole of the foot, presenting as a solitary, moist, red, often pedunculated nodule.
Acral lentiginous melanoma is a subtype that occurs on the soles, appearing as an irregularly pigmented, enlarging macule or nodule.
A translucent, gelatinous cyst located on the top of the toe near the nail.
Soft, skin-colored papules on the heels that become apparent only when standing, caused by herniation of subcutaneous fat through the dermis.
Can arise on the foot, often from a chronic wound or scar (Marjolin's ulcer), as a non-healing, indurated, ulcerative, or fungating lesion.
A plantar wart (verruca plantaris) is a hyperkeratotic papule on the sole that disrupts normal skin lines and may have black dots.