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What is Transsphenoidal Hypophysectomy? |
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Definition
A surgical procedure most commonly used to remove a tumor of the pituitary gland, through the sphenoid sinus. |
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Term
In what bony structure does the pituitary gland sit? |
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Definition
Sella turcica of the sphenoid bone |
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Term
The pituitary gland is connected to the ___________ by a stalk called the infundibulum. |
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Definition
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Term
Benign tumors of the Pituitary gland are responsible for what? |
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Definition
Overproduction of specific pituitary hormones |
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Term
What surgical approach is indicated if the tumor is large, pressing against the optic nerves? |
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Definition
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Term
What surgical approach is indicated for smaller tumors of the pituitary gland? |
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Definition
Transsphenoidal resection |
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Term
What are the 2 types of surgeons that may both be working on these cases? |
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Definition
ENT surgeon and Neurosurgeon |
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Term
Where is the entry point for access to the Sella Turcica? |
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Definition
An incision in the upper gumline, under the lip or through the nasal cavity. |
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Term
What instruments are used to punch through the Sella Turcica? |
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Definition
Kerrison rongeur and osteotome |
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Term
Medications used for hemostasis and sites of injection |
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Definition
Lidocaine with epinephrine. Cocaine may be used in nasal mucosa. Injection sites: nasal mucosa and gingiva |
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Term
Instruments for tumor removal |
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Definition
Pituitary curette, dissector, enucleator and suction |
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Term
What are the diagnostic tests for this procedure? |
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Definition
Endocrine function test
MRI |
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Term
The Pituitary gland is about the size of ..... |
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Definition
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Term
What position is the patient in for this procedure? |
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Definition
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Term
All nasal instruments are considered _________ and should be kept separate from sterile instruments. |
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Definition
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