Benign osteoblastoma of paranasal sinuses is a rare tumor of the 2
nd decade of life with only few cases reported till date. It arises most commonly from the ethmoid sinus and present as an intra-nasal
mass leading to broadening of the nasal bridge. Here we present a case of benign osteoblastoma in a 8 year old girl presenting
with a large intranasal mass seen through nostril and leading to facial deformity.
Keywords Sino-nasal tumor - Benign osteoblastoma