<unk>  (also known as an "Acquired digital<unk> ," and "Acquired periungual<unk> ") is a skin lesion characterized by a pinkish, hyperkeratotic, hornlike projection occurring on a finger, toe, or palm.
Acral fibrokeratoma
Papillary hidradenoma
Dermal cylindroma
Malignant acrospiroma
Syringocystadenoma papilliferum
Hidradenoma
Chondroid syringoma
Epidermoid cyst