Bronchogenic metastasis involving the frontal sinus and masquerading as a Pott's puffy tumour: a diagnostic pitfall

A case is reported of metastatic bronchogenic carcinoma involving the frontal sinus and masquerading as a Pott's puffy tumour. A pathological fracture and persistent lung radiographic changes prompted fine needle aspiration of the mass, which showed a poorly differentiated adenocarcinoma.