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planum_sphenoidale

Planum sphenoidale

img.medscapestatic.com_pi_meds_ckb_67_25167tn.jpg

The planum sphenoidale (or jugum sphenoidale) is the planar surface of the sphenoid bone connecting the two lesser wings, and lies anterior to the sella turcica. Together with the anterior clinoid processes, it forms the roof of the sphenoid sinus. It marks the posterior limit of the anterior skull base, and meningiomas that arise from this site are known as planum sphenoidale meningiomas. With the proximity of such lesions to vital structures like the optic apparatus and pituitary gland, clinical features have been noted to include visual impairment and hormonal deficiencies.

The planum sphenoidale is separated posteriorly from the tuberculum sellae (TS) by the chiasmatic groove.

see Planum sphenoidale meningioma.

planum_sphenoidale.txt · Last modified: 2017/03/27 12:26 by administrador