Köktekir, EnderKöktekir, Bengü EkinciReçber, FahriAkdemir, Gökhan2020-03-262020-03-2620131049-22751536-3732https://dx.doi.org/10.1097/SCS.0b013e318285d98ahttps://hdl.handle.net/20.500.12395/29624Metastasis of the lung adenocarcinoma to the paranasal sinuses is a rare clinical entity. We present a 75-year-old male patient who presented with swelling of the forehead and left upper eyelid with proptosis in left eye due to metastasis from lung adenocarcinoma. It appears as a puffy swelling of the forehead like a Pott's puffy tumor. Pott's puffy tumor is a subperiostal abscess of the frontal bone associated with osteomyelitis and usually occurs as a complication of sinusitis or trauma.en10.1097/SCS.0b013e318285d98ainfo:eu-repo/semantics/closedAccessLung adenocarcinomaparanasal sinusmetastasisPott's puffy tumorfrontal sinusArticle246E538E53924220459Q2WOS:000330354500001Q4