Pott’s puffy tumor is a condition characterized by a subperiosteal abscess of the frontal bone.
This occurs as a complication of frontal sinusitis, where infection breaches the bone, resulting in swelling and tenderness over the forehead. The condition is often associated with headache, fever, and may lead to more serious complications like intracranial infections if untreated.
Therefore, the correct answer is:
Subperiosteal abscess of frontal bone