DR P. MARAZZI / SCIENCE PHOTO LIBRARY DR P. MARAZZI / SCIENCE PHOTO LIBRARY
Bone lump. X-ray showing a lump (centre) on a bone in a a 48-year-old man's foot. The lump is on the shaft of the second metatarsal bone. Treatment depends on the cause. This could be a cancerous growth, or a benign hardening of the tendon sheath.
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