METASTATIC NEOPLASMS TO THE LARYNX - REPORT OF 3 CASES

Metastatic involvement of the larynx by distant malignancies is a rare event that can occur by hematogenous or lymphogenous spread through a retrograde or anterograde route, Only 143 cases of secondary laryngea l tumors have been reported in the literature, Metastases from cutaneo us melanoma and renal carcinoma are the most common, whereas only spor adic cases stemming from lung and colon adenocarcinoma have been docum ented, The authors report a case of lung adenocarcinoma and two cases of colonic adenocarcinoma metastatic to the larynx and discuss the pro blems related to the pathogenesis, diagnosis, and management of second ary laryngeal neoplasms.