Path 2 - MEN, pit, parathy Flashcards

1
Q

does MEN affect younger or older

A

younger

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

what are the 3 P’s of MEN1

A

pancreatic tumor
pituitary adenoma
parathyroid hyperplasia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

what thyroid tumor is involved in MEN2 and FMTC

A

familiar medullary thyroid carcinoma

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

what are the MEN2A tumors

A

parathy hyperplasia
medullary thyroid carcinoma
pheochromocytoma

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

how are MEN2A and 2B different

A

2B = no parathy hyperpl, + mucosal neuroma, + marfanoid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

the only tumor in FMTC

A

isolated familial medullary thyroid carcinoma

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

what gene is wrong in MEN2

A

RET

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

what gene is wrong in MEN1

A

MEN1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

where does pheochromo arise from

A

chromaffin cells of adrenal medulla

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

what metabolite helps detect pheochomo

A

metanephrine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

clinical presentation of pheochromo

A

severe episodic HTN or feelings of doom

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

what are some ex of pheo syndromes

A

MEN2A/B, NF1, VHL

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

sporadic case = early or later in life

A

later in life

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

color of pheochromo

A

brown - displace cortex

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

pheo has lots or little cytoplasm

A

lots of cyto

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

when do functional antpit tumors present

A

early

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

what is most common functional AP adenoma

A

prolactinoma

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

second most common func AP adenoma

A

GH cell adenoma

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

GH adenoma in kids =

A

gigantism

20
Q

GH adenoma in adults

A

acromegaly

21
Q

symptoms of adult acromegaly

A

gonad dysfunction
DM
muscle weakness
HTN
GI cancer

22
Q

tx of GH cell adenoma

A

resection, drugs

23
Q

ACTH adenoma causes

A

cushing disease

24
Q

signs of cushing syndrome

A

central obesity, moon face, atrophy, hair, HTN, osteo, gluc tolerance, striae

25
Q

are pituitary carcinomas common

A

NO

26
Q

TSH adenoma =>

A

hyperthyroidism

27
Q

what is pan-hypopituitarism

A

hormonal insufficiency (low endo signal, pallow, amenorr, lose pubes)

28
Q

cause of pan-hypo

A

pituitary apoplexy, iscehmic necrosis (sheehan)

29
Q

SON =

A

ADH

30
Q

PVN =

A

oxytocin

31
Q

etiology of SIADH

A

ectopic (cancer) or injury

32
Q

brain manifestations of SIADH

A

cerebral edema, neuro dysfunction

33
Q

hypopituit causing tumor

A

craniopharyngioma

34
Q

effect of cranioph on kids

A

growth retardation

35
Q

effect of cranioph on adults

A

mass effects => DI

36
Q

how does malignancy cause hypercalcemia

A

secretion of RANKL
PTHrP secretion

37
Q

proprtion of fat to function in parathy

A

50/50

38
Q

what is tertiary hyperparathy

A

adenoma after chronic low ca => high PTH => PTH adenoma

39
Q

fat composition of PT adenoma

A

very low

40
Q

incidence of PT carinoma

A

very LOW

41
Q

what MEN syndromes is parathy hyperplasia seen in

A

MEN 1 and MEN 2A

42
Q

path characteristic of parathy hyperpl

A

hypercellular

43
Q

visceral complications of pri hyperparathy

A

metastatic calcification (kidney, vessels, soft tissue, eyes)

44
Q

T/F PT cells have basal level of PTH secretion

A

TRUE

45
Q

congenital cause of hypoparathy

A

DiGeorge