<unk> s can often be diagnosed clinically based on presentation, distribution patterns over the body, lack of associated symptoms, and family history. A definitive diagnosis requires a skin biopsy to allow the tissue to be examined under a microscope. Histologically,<unk> s have a characteristic comma-shaped ("tadpole") tail of dilated, cystic eccrine ducts.
Syringoma
Thecoma
Spiradenoma
Pilomatricoma
Cylindroma
Apudoma
Hamartoma
Ameboma