Pathology of the Pituitary GLand Flashcards Preview

Endocrinology > Pathology of the Pituitary GLand > Flashcards

Flashcards in Pathology of the Pituitary GLand Deck (12):
1

Anatomically, where does the pituitary gland lie?

In the Sella Turcica between the anterior and posterior clinoid processes

2

Infarction of the Pituitary generally involves what part?

The anterior lobe due to vascular supply

3

About what percentage of the lobe must be lost for symptoms to occur

75%

4

Causes of infarction in the anterior pituitary

- Diabetes Mellitus
- Cranial Vascular Atrophy
- Increased intracranial pressure
- Hypoperfusion
- Sheehan's syndrome
- Pituitary apoplexy

5

Inflammatory lesions of the pituitary caused by

Acute inflammation (sinusitis, osteomyelitis)
Granulomatous (TB, fungal, sarcoid, Giant Cell)
Lymphocytic (autoimmune)

6

Addison's disease

ACTH hyperplasia is one feature

7

Pituitary adenomas are the most important thing in the lecture

ok

8

Pituitary adenomas are what percent of intracranial neoplasms

10%

9

age range of pituitary neoplasms

30-50

10

Pituitary adenomas are generally isolated

true

11

Pituitary adenoma gross morphology

Typically fragmented due to standard transsphenoidal surgical approach. Well circumscribed

12

Histology of pituitary adenoma

sheet like growth pattern
loss of reticulin fiber network