Ali Lotfizadeh

[ 1 ] - Opium Addiction and Risk of Laryngeal and Esophageal Carcinoma

Introduction: Cigarette smoking and alcohol consumption have a well-known effect on the development of upper aerodigestive tract carcinomas, but such a role for opium is questionable. This study was designed to assess the correlation between opium inhalation and cancer of the larynx and upper esophagus. Materials and Methods: Fifty eight patients with laryngeal cancer, ninety eight patients wit...