Sinonasal Fibrous Dysplasia: Our 10-Years Experience

Fibrous Dysplasia of the Paranasal Sinuses - A Rare Presentation

“…19 but the paranasal sinuses like the ethmoid and the sphenoid develop in a bone which is preceded by cartilage [6].…”

“…It was noted in literature that the biopsy is not always required [6] when the radiologic features are strongly suggestive of fibrous dysplasia. Biopsy is indicated when there is exacerbation of symptoms and sign [6] or when there are no sufficient confirmative radiologic signs. Rapidly growing lesion is also one important finding that needs biopsy.…”

Fibrous dysplasia of the paranasal sinuses: case report

“…FD comprises 2% of all bone tumors and 7% of all benign bone neoplasms. 3,5 FD can affect any bone in the body, but long bones such as femur, tibia and humerus are the most commonly affected. The craniofacial bone is also often involved especially maxilla, orbit, mandible and, much less frequently affected, the ethmoid bone.…”

“…Fibrous dysplasia remains asymptomatic until there is pain, or some adjacent structure vital function is compromised under the pressure exerted by the extending tumor. 3,5,6 upper right maxillary that started more than 20 years ago. The lesion gradually and insidiously developed to reach the present size.…”

“…5,6 The exact cause of fibrous dysplasia remains unknown. It is believed that the defect is due to a mutation in a geneHalily S et al Int J Otorhinolaryngol Head Neck Surg.…”