Bridging of the sella turcica

Bridging of the sella turcica is the fusion of the anterior and posterior clinoid processes.

Epidemiology

The prevalence of a sella turcica bridge in a healthy population is estimated to be ~4% (range 1.75-6 %) in anatomical and radiographic studies.

Pathology

It has been reported to occur in distinctive syndromes of skeletal and dental malformations:

• basal cell carcinoma (Gorlin-Goltz) syndrome
• Rieger syndrome
• Axenfeld–Rieger syndrome