Peripheral facial palsy in small cell lung cancer with mastoid metastasis. Peripheral facial palsy in small cell lung cancer with mastoid metastasis

Small cell lung cancer's neuroendocrine nature drives metastasis to unexpected territories, including the rarely affected mastoid region.In patients with peripheral facial palsy and malignancy risk factors, prompt imaging should be considered, even when other suspicious features are absent.Small cell lung cancer evolves rapidly in spite of treatment, requiring vigilance for metastatic complications despite reassuringly normal recent examinations.