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Our mission is to provide outstanding, cutting-edge clinical care, research, and state-of-the-art training in Otolaryngology

Department of Otolaryngology

The University of Colorado Skull Base Program

CU Skull Base Program

The CU Skull Base Program is the most comprehensive skull base tumor program in the region. All aspects of diagnosis and treatment are performed by subspecialists with extensive training and experience in complex disorders of the skull base. Our team consists of highly-trained surgeons in both Neurosurgery and Otolaryngology-Head and Neck Surgery, Neuroradiology, Neuropathology, Radiotherapy, and Medical Oncology. Our aim is to offer world-class multidisciplinary care to patients and referring physicians in an efficient and compassionate manner


Vijay R. Ramakrishnan, MD

Vijay R. Ramakrishnan, MD

Dr. Ramakrishnan currently serves as an Assistant Professor of Otolaryngology- Head and Neck Surgery, having completed his fellowship training in advanced rhinology and skull base surgery at the University of Pennsylvania. His areas of expertise include nasal obstruction, chronic sinusitis and nasal polyps, revision sinus surgery, complex sino-orbital diseases, CSF leaks and skull base tumors.

Denver, Colorado

Kevin O. Lillehei, MD

Dr. Lillehei servers as the Director of the Neurosurgery Neuro-Oncology laboratory with his research interests revolving around the treatment of malignant gliomas. His clinical interest include pituitary tumors, benign and malignant gliomas, spinal cord tumors, acoustic neuromas, complex skull base lesions and peripheral nerve injuries.