Erosion Sellar Floor

Thickening of the tuberculum or of the clinoid processes and blistering of the planum sphenoidale have frequently been reported in association with meningiomas of the sella turcica.

Erosion sellar floor. In patients with a known pituitary microadenoma erosion or remodelling of the pituitary floor is a sign of inferior extension. Chordoma of the clivus is frequently associated with erosion of the dorsum sellae and the sellar floor. Erosion or remodelling of the pituitary floor is of limited help since it may be a normal finding. Primary or secondary neoplasms including.

Gliomas of the optic nerve and hypothalamus may erode the clinoid processes. Erosion of anterior and posterior clinoids can be seen pituitary tumors e g. Another measurement important in transsphenoidal surgery is the thickness of the anterior sellar wall and sellar floor. Focal erosion of the lateral margins secondary to an aneurysm focal erosions of the floor by pituitary lesions and selective erosion of the posteroinferior floor secondary to chronic increased intracranial pressure 3 4 are some of the more dependable findings.

Furthermore osteolysis of the dorsum sellae and clinoids sometimes occur in childhood leukemia and langerhans cell histiocyto. Erosion or destruction of the sella turcica can arise with any of numerous intracranial tumors including.