Michael J. Marino, M.D., is a head and neck surgeon at Mayo Clinic Comprehensive Cancer Center in Phoenix, Arizona. Dr. Marino treats conditions and cancers, including chronic sinusitis, cerebrospinal fluid (CSF) leak, CSF rhinorrhea, esthesioneuroblastoma, head and neck cancer, jaw tumors and cysts, nasal and paranasal tumors, nasal polyps, nasopharyngeal carcinoma, pituitary tumors and skull base tumors. He is an expert in dacryocystorhinostomy, endoscopic sinus surgery, endoscopic skull base surgery, endoscopic transnasal transsphenoidal surgery, and transnasal endoscopic procedure with a special interest in anterior skull base tumors, endoscopic minimally invasive surgery of the nose, sinuses and skull base, endoscopic transnasal orbital decompression and dacryocystorhinostomy (DCR). Dr. Marino offers personalized treatment options that best suit your needs and goals. Mayo Clinic is the #1 hospital in Arizona, according to the U.S.