Pathoma: Lung CA Flashcards

1
Q

This is a tumor that lacks glands, mucus production (adenocarcinoma), keratin pearls, or intercellular bridges (squamous cell carcinoma).

A

large cell carcinoma

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q
  • adenocarcinoma (40%)
  • squamous cell carcinoma (30%)
  • large cell carcinoma (10%)
  • carcinoid tumor (5%)

–> All are types of?

A

non-small cell carcinoma

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

Where is bronchioloalveolar carcinoma typically found? Related to smoking? Prognosis?

A
  • peripherally located
  • not related to smoking
  • excellent prognosis
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What are the 4 subtypes of non-small cell carcinoma?

A
  • adenocarcinoma (40%)
  • squamous cell carcinoma (30%)
  • large cell carcinoma (10%)
  • carcinoid tumor (5%)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is the overall 5-year survival rate of lung CA?

A

15%

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

If the lung tumor starts with _____, it is highly associated with smoking and paraneoplastic syndrome, and is centrally located.

A

S

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

Compression of _____ by lung CA causes ptosis, pinpoint pupils, and anhidrosis.

A

the sympathetic chain

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

What is a Pancos tumor?

A

a tumor in the apex of the lung

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

What are the 3 most common cancers in the US by incidence rate?

A
  1. breast/prostate 2. lung 3. colorectal
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Name 2 benign lesions that can look like lung CA on chest xray.

A
  1. granuloma
  2. bronchial hamartoma
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

If the lung tumor starts with an S, it is highly associated with _____.

A

smoking and paraneoplastic syndrome, and is centrally located

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

_____ of the lung may produce PTHrP hormone, causing hypercalcemia.

A

Squamous cell carcinoma

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

What is a squamous cell carcinoma?

A

tumor consisting of keratin pearls or intercellular bridges

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

If a lung tumor involved the ____ nerve, the pt would present with hoarseness.

A

recurrent laryngeal

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

_____ is usually treated with chemo and not surgery, but _____ is treated by resection and doesn’t respond well to chemo.

A

Small cell lung CA; non-small cell lung CA

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

What is a large cell carcinoma?

A

tumor that lacks glands, mucus production (adenocarcinoma), keratin pearls, or intercellular bridges (squamous cell carcinoma)

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

____ is the most common lung CA of female smokers.

A

Adenocarcinoma

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

This is a tumor of well-differentiated neuroendocrine cells that is chromogranin positive.

A

a carcinoid tumor

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

If a lung tumor involved the recurrent laryngeal nerve, the pt would present with _____.

A

hoarseness

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

What do lung metastases look like?

A

multiple cannon-ball nodules

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

This is a tumor of the small airways arising from the Clara cell of the lung.

A

bronchioloalveolar carcinoma

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

This is an obstruction of the SVC causing distended neck veins, edema, and blue hue to the face and arms.

A

Superior Vena Cava Syndrome

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

This is a tumor consisting of keratin pearls or intercellular bridges.

A

squamous cell carcinoma

17
Q

This tumor forms a polyp-like mass in the bronchus.

A

carcinoid tumor

19
What are the 2 types of lung carcinomas?
* small cell (15%) * non-small cell (85%)
20
What does a carcinoid tumor look like?
a polyp-like mass in the bronchus
20
If a lung tumor involved the phrenic nerve, the pt would present with \_\_\_\_\_.
diaphragmatic paralysis
21
If a lung tumor involved the \_\_\_\_\_, the pt would present with diaphragmatic paralysis.
phrenic nerve
21
What is a lack of sweat, especially on the forehead, called?
anhidrosis
22
What is bronchioloalveolar carcinoma?
a tumor of the small airways arising from the Clara cell of the lung
23
Where does lung CA commonly metastasize to?
the adrenal gland
24
Name the 2 neuroendocrine lung tumors.
1. small cell carcinoma 2. carcinoid tumors
25
What is Superior Vena Cava Syndrome?
obstruction of the SVC causing: * distended neck veins * edema * blue hue to the face and arms
27
What is present in cigarette smoke that makes it high risk for lung cancer development?
polycyclic aromatic hydrocarbons and arsenic
28
What is the average age at presentation for lung CA?
60yo
30
What are the risk factors for lung CA?
smoking, radon, asbestos
32
Where does radon come from?
radioactive decay of uranium
33
What are the most common sources of metastases to the lung?
breast and colon carcinomas
35
\_\_\_\_ lung tumors are located peripherally.
Adenocarcinoma and bronchoalveolar
36
This is benign mass comprised of tissue native to that location that is disorganized.
hamartoma
38
What is Eaton-Lambert Syndrome?
development of Abs to pre-synaptic Ca++ channels, resulting in muscle weakness
39
Squamous cell carcinoma of the lung may produce ____ hormone, causing \_\_\_\_.
PTHrP, hypercalcemia
41
\_\_\_\_\_ causes squamous cell carcinoma of the lung.
Arsenic
42
What is an adenocarcinoma?
tumor consisting of glands and/or mucus production
44
This is a tumor consisting of glands and/or mucus production.
adenocarcinoma
45
What is a carcinoid tumor?
a tumor of well-differentiated neuroendocrine cells that is chromogranin positive
46
What do TNM stand for in TNM staging?
* T = size and local extension of the tumor * N = spread to lymph nodes * M = metastasis
47
What is the most common cause of CA mortality in the US?
lung cancer
48
Small cell lung carcinoma is usually treated with \_\_\_\_\_, but non-small cell lung carcinoma is treated by \_\_\_\_\_.
chemo (not surgery); surgery (no chemo)
49
What is a hamartoma?
a benign mass comprised of tissue native to that location that is disorganized
50
What is the prognosis for large cell carcinoma?
poor
52
What is anhidrosis?
lack of sweat, esp on the forehead
53
Compression of the sympathetic chain by lung CA causes \_\_\_\_\_.
* ptosis * pinpoint pupils * anhidrosis
54
What causes granulomas?
* TB * fungi * histoplasma
55
This disease is caused by the development of Abs to pre-synaptic Ca++ channels, resulting in muscle weakness.
Eaton-Lambert Syndrome
56
How does lung CA look on imaging?
a solitary nodule