Is sella turcica and pituitary fossa the same?
The pituitary (hypophyseal) fossa or sella turcica is a midline, dural lined structure in the sphenoid bone, which houses the pituitary gland.
What is MRI pituitary fossa?
What is a pituitary MRI? A pituitary MRI (magnetic resonance imaging) is an imaging test that makes pictures of the pituitary gland (small gland in the brain that controls hormones and other glands in the body) and surrounding areas in the brain.
What is a sella protocol MRI?
MRI protocol for pituitary gland is a group of MRI sequences put together to improve sensitivity and specificity for the assessment of lesions of the pituitary gland (e.g. pituitary adenoma) and other sellar and suprasellar abnormalities (check the article on pituitary region masses for some examples).
What is found in the hypophyseal fossa of sella turcica?
The sella turcica is located in the sphenoid bone behind the chiasmatic groove and the tuberculum sellae. It belongs to the middle cranial fossa. The sella turcica’s most inferior portion is known as the hypophyseal fossa (the “seat of the saddle”), and contains the pituitary gland (hypophysis).
Where is the pituitary fossa located?
sphenoid bone
The pituitary gland is within the sella turcica or the hypophyseal fossa. This structure is present near the center at the base of the cranium and is fibro-osseous. The anatomical boundaries of the gland have clinical and surgical significance. Sella turcica is a concave indentation in the sphenoid bone.
Why would a doctor order a pituitary MRI?
A doctor performs an MRI of the head to determine if a pituitary tumor is present. This scan can also help doctors determine whether a pituitary tumor is growing into nearby tissue.
Why would a doctor order an MRI of the pituitary gland?
They are very helpful in looking at the brain and spinal cord and are considered to be the best way to find pituitary tumors of all types. MRI images are usually more detailed than those from CT scans (see below). They can show macroadenomas of the pituitary gland, as well as most microadenomas.
What causes enlarged sella turcica?
ESS may happen if you have an enlarged sella turcica. This is a bony structure where the pituitary gland sits at the base of the brain. Health experts don’t know what causes primary ESS. Secondary ESS may be caused by injury, radiation therapy, or surgery.
What is a sella turcica?
The sella turcica is a saddle-shaped depression located in the bone at the base of skull (sphenoid bone), in which resides the pituitary gland.