Pott's puffy tumor

Pott's puffy tumor

A fluctuant swelling over frontal bones with osteomyelitis, accompanied by a subperiosteal–pericranial abscess, often 2º to chronic frontal sinusitis; the causative organism in children is often hematogenous and in adults due to direct traumatic extension Organisms
S aureus, β-hemolytic streptococci, anaerobes Diagnosis Clinical finding; 'hot' lesion by 99mTc scanning