<unk> s (also known as "Angiokeratoma of the scrotum",<unk> 's disease,"<unk> ," and<unk>  granules") are small, painless, raised, pale or white<unk> s or bumps 1 to 3 mm in diameter that may appear on the shaft of the penis or on the labia, as well as the inner surface and vermilion border of the lips of the face. They are common in men and women of all ages. They are named after an American dermatologist, John Addison<unk> . On the head of the penis, they are called Tyson glands, not to be confused with Hirsuties papillaris genitalis.<unk> s are very common in adult males.  The condition can appear either as a single lesion or in a symmetrical group of up to fifty. The<unk> s are typically 1-2mm in diameter.
Fordyce's spot
Bitot's spots
Aaron's sign
Duroziez sign
Gerhardt sign
Landolfi sign
Grey Turner's sign
Sherman sign