Background: Metastatic carcinoma manifesting as a mass in external auditory canal (EAC) is very rare. and prostatic adenocarcinoma (PA) presenting firstly as a mass of EAC has not been reported. Aim: To report a case of PA manifesting as only a mass of EAC. Case report: A 77-year-old man presented a right EAC mass. https://www.globalspecialtyfoods.com/product-category/oil-vapes/