This prospective longitudinal study was done to determine extent of tumor and to highlight the importance of lateral rhinotomy approach for nasopharyngeal angiofibroma. Patients with a diagnosis of nasopharyngeal angiofibroma who underwent surgery in Tribhuvan University Teaching Hospital, Maharajgunj, Kathmandu from April, 2004 to Jan 2009 were included in the study. Extent of tumour and surgi...