What is Sella tumor?
What is Sella tumor?
Pituitary adenomas are the most common sellar mass found in adults, whereas craniopharyngiomas account for the majority of pediatric sellar masses. The diagnosis of sellar lesions involves a multidisciplinary effort; detailed endocrinologic, ophthalmologic, and neurologic tests are critical.
What are the two types of pituitary tumors?
Below are the main types of pituitary tumors.
- Nonfunctional adenomas (null cell adenomas) These tumors are the most common type.
- Prolactin-producing tumors (prolactinomas) These benign tumors are also common.
- ACTH-producing tumors.
- Growth hormone-producing tumors.
What is the hypophyseal fossa?
The pituitary fossa (hypophyseal fossa) is an indentation in the roof of the body of the sphenoid bone in the middle cranial fossa. The fossa is roofed by a sheet of dura mater, the diaphragma sella (Fig. 1-9C,D) which is attached in front to the tuberculum and behind to the dorsum sellae.
What’s another name for sella turcica?
human skull portion of this seat, or sella turcica (“Turk’s saddle”), is actually wall-like and is called the dorsum sellae. The pituitary gland is thus situated in almost the centre of the cranial cavity.
Why is the hypophyseal fossa important?
It serves as a cephalometric landmark. The pituitary gland or hypophysis is located within the most inferior aspect of the sella turcica, the hypophyseal fossa.
What does sella turcica mean in English?
Listen to pronunciation. (SEL-uh TER-sih-kuh) A depression of the bone at the base of the skull where the pituitary gland is located.
What does sella mean in English?
noun. saddle [noun] a seat for a rider.
Can a pituitary tumors cause headaches?
If the tumor continues to grow, it can press on nearby nerves and parts of the brain, which can cause headaches and vision problems. In females who don’t have periods (such as girls before puberty and women after menopause), prolactinomas might not be noticed until they cause these symptoms.
Which bone contains the sella turcica?
The sella turcica (Latin for Turkish seat) is a saddle-shaped depression in the body of the sphenoid bone of the human skull and of the skulls of other hominids including chimpanzees, orangutans, and gorillas. It serves as a cephalometric landmark.
What part of the brain sits in the 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.
Does sella turcica contain the puitary gland?
The pituitary gland is a pea-sized structure that is attached to the undersurface of the brain by a thin stalk. It is protected by a cradle of bone called the sella turcica, which is located above the nasal passages, almost directly behind the eyes.
What is the sella turcica and where is it located?
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.