DR P. MARAZZI / SCIENCE PHOTO LIBRARY DR P. MARAZZI / SCIENCE PHOTO LIBRARY
Skin disorder. Foot affected by granuloma annulare. It is an harmless skin condition characterised by a circular, raised area of skin, usually found on the knuckles or fingers and less commonly on the upper part of the feet. The cause is unknown and no treatment is necessary. In most cases the affected areas heal completely over a period of several months or years.
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