Pituitary Gland Tumor

Question 1

Shape of pituitary gland

Answer 1

Pear shaped

Question 2

Anterior relation of pituitary gland

Answer 2

sphenoid sinus (the pituitary gland is accessed surgically via the sphenoid sinus, known as a trans-sphenoidal approach

Question 3

Posterior relation of pituitary gland

Answer 3

posterior intercavernous sinus, dorsum sellae (posterior wall of the sella turcica), basilar artery and the pons.

Question 4

Superior relation to pituitary gland

Answer 4

diaphragma sellae (fold of dura mater that covers the pituitary gland), optic chiasm.

Question 5

Inferior relation to pituitary gland

Answer 5

Sphenoid sinus

Question 6

Lateral relation to pituitary gal d

Answer 6

Cavernous sinus

Question 7

Hormones in anterior part of pituitary gland

Answer 7

GH
LH
FSH
TSH
ACTH

Question 8

Hormones in posterior part of pituitary gland

Answer 8

ADH
Oxytocin

Question 9

Main structure affected in tumor of pituitary gland causing pressure due to mass effect

Answer 9

Optic chiasm

Question 10

Type of tumor that causes mass effect in pituitary tumor

Answer 10

Suprasellae masses

Question 11

Type of tumors that cause oversecretion of hormones

Answer 11

Microadenomas

Question 12

Size classification of tumor

Answer 12

Micro less than 1cm
Macro more than 1cm

Question 13

Staining classification of pituitary tumor

Answer 13

Chromophobe which are inactive Adenomas and don’t stain

Chromophilic which are endocrine active adenomers and take stain

Question 14

Eosinophilic tumor staining color

Answer 14

Red

Question 15

Basophilic tumors staining color

Answer 15

Blue

Question 16

Main factor involved in genetic cause of pituitary tumor

Answer 16

P53

Question 17

Main hormones involved in deficiencies

Answer 17

GH
Gonadotrophin
Thyrotrophin
Corticotrophin
Panhypopituitarism