Carl's surgery, still set for November 4, 2009, will be similar to the first operation. The surgeons will again go through Carl's nose. They feel the tumor is located:
*very close or on the carotid artery
*behind the pituitary gland
*on the backside a small bone that sits in the pituitary gland, known as the hypophyseal fossa
A hypophyseal fossa is located in a depression in the body of the sphenoid bone. Located anteriorly to the hypophyseal fossa is the tuberculum sellae. The body of sphenoid bone contains the sella turcica, which houses the pituitary gland. The turberculum sellae is in the sphenoid bone.
So, around the pituitary gland is the sella turcica in the sphenoid bone.
The reason for the time lapse in Carl's surgery is because the surgeons are waiting on two tools to come in that they need for the surgery. The surgeon will chisel away at the bone behind Carl's pituitary gland by using an ultrasonic vibrating tool to "vibrate" parts of the bone away so they can get to the tumor. The other tool can go around corners, like an extension piece.
The surgery is taking place at the IU Medical Center.
http://upload.wikimedia.org/wikipedia/commons/6/66/Illu_cranial_bones2.jpg
http://upload.wikimedia.org/wikipedia/commons/0/03/Gray145.png
http://upload.wikimedia.org/wikipedia/commons/6/62/Gray192.png
http://gardenof-eden.com/arc_of2.jpg
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