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Can a First Rib Grow Back?

Published in Anatomy & Physiology 1 min read

Yes, although rare, a first rib can grow back after being surgically removed.

Regrowth of the first rib, while uncommon, is a recognized phenomenon, especially in the context of thoracic outlet syndrome (TOS). If symptoms of TOS recur after first rib resection, the possibility of rib regrowth should be considered.

Recurrence of Thoracic Outlet Syndrome (TOS) and Rib Regrowth

Recurrent symptoms after first rib resection strongly suggest a causal relationship with rib regrowth. Further investigation, including imaging, is necessary to confirm the regrowth and its contribution to the recurrent symptoms.

Clinical Significance

The clinical importance of this is that if a patient has had a first rib resection for Thoracic Outlet Syndrome and their symptoms return, a regrown rib may be the cause. This highlights the need for careful monitoring and follow-up after first rib resection, particularly in individuals prone to bone regeneration.

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