Swelling at the callus
After a bone fracture, the fragments of the bone are connected within a few weeks by an initially unstable and then stable callus. However, before the callus can form, tissue water collects at the fracture site in addition to blood. This leads to oedema and an accompanying swelling at the fracture site.
With the subsequent formation of a callus, this swelling gradually decreases again and there should normally be no further swelling during the healing of the fracture. If a new swelling does occur in the area of the fracture, it should be examined by a doctor, as this could be an indication of a bone healing disorder. Possible inflammation could also be the cause of swelling in the area of the bone fracture and thus the callus.
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