Quiz 3

Question 1

MC cause of Hyperpituitarism

Answer 1

pituitary adenoma

Question 2

Local Mass effects classic visual field defects:

Answer 2

defects in the lateral visual field known as Bitemporal Hemianopsia

Question 3

Ectopic Pituitary Adenoma: outside the sella tursica, most often in sphenoid sinus…
What are lesions that are NOT encapsulate and how is their histology arranged?

Answer 3

Invasive Adenomas

Histo: arranged in nest or cords

Question 4

most frequent type of functioning pituitary adenoma

Answer 4

Prolactinoma, but specifically a lactotroph adenoma

Question 5

Hist of Papillary carcinoma

Answer 5

fronds of tissue have thin fibrovascular cores

- high mag psammoma body

Question 6

Follicular carcinoma hist

Answer 6

well encapsulated

follicles contain colloid w/ size variability

Question 7

Hist of Anaplastic carcinoma

Answer 7

undifferentiated malignant cells

Question 8

MC forms of primary hyperparathyroidism

Answer 8

#1: Adenoma (85-95%)
**#2: Primary hyperplasia (5 - 10%)
#3: Carcinoma (1%)

Question 9

What has hyperkalemia and hyponatremia

Answer 9

Addison’s disease

Question 10

What is related to chromaffin cells w/in adrenal medulla

Answer 10

Pheochromocytoma

Question 11

Where do we find ”Rosettes” (circular groupings of dark tumor cells)?

Answer 11

Neuroblastoma

also Medulloblastoma and retinoblastoma

Question 12

The was a question on where C proteins were present…

Answer 12

I think its DM2 due to inflammatory state

Question 13

detectable antibodies in DM 1 (and DM 1.5?)

Answer 13

islet cell antibodies and anti-insulin antibodies (before receiving insulin therapy)
Most islet cell antibodies are directed against glutamic acid decarboxylase (GAD) within pancreatic B cells

Question 14

A common change in the islets of patients with type 2 DM:

Answer 14

pink hyalinization (with deposition of amyloid) in many of the islet cells.