Thoracic Lymph Nodes

Question 1

1R/L

Answer 1

Supraclavicular

Question 2

2R/L

Answer 2

Upper paratracheal

Question 3

3

Answer 3

Prevascular (anterior to aorta)

Question 4

4R/L

Answer 4

Paratracheal

Question 5

5

Answer 5

Subaortic (AP window)

Question 6

6

Answer 6

Paraaortic

Question 7

7

Answer 7

Subcarinal

Question 8

8

Answer 8

Paraesophageal

Question 9

9

Answer 9

Pulmonary ligament

Question 10

10

Answer 10

Hilar

Question 11

11

Answer 11

Interlobar

Question 12

12

Answer 12

Lobar

Question 13

13

Answer 13

Segmental

Question 14

14

Answer 14

Subsegmental

Question 15

N1

Answer 15

Ipsilateral hilar/intrapulmonary nodes (10-14)

Question 16

N2

Answer 16

Ipsilateral mediastinal nodes (2-9)

Question 17

N3

Answer 17

Any contralateral node
Supraclavicular node (1)

Question 18

1- Borders

Answer 18

SUPERIOR: lower margin of cricoid cartilage
INFERIOR: thoracic inlet/1st rib
L/R: midline of trachea

Question 19

2- Borders

Answer 19

SUPERIOR: apex of lung/thoracic inlet
INFERIOR (R): intersection of caudal margin of L BCV w/ trachea
INFERIOR (L): superior border of aortic arch
L/R: LEFT lateral border of trachea

Question 20

3- Borders

Answer 20

SUPERIOR: thoracic inlet
INFERIOR: carina
3A: prevascular- anterior to great vessels, posterior to sternum
3P: retrotracheal- posterior to the trachea

Question 21

4- Borders

Answer 21

SUPERIOR (R): intersection of caudal margin of L BCV with trachea
INFERIOR (R): inferior border of azygos vein
SUPERIOR (L): superior border of aortic arch
INFERIOR (L): superior border of L main PA
L/R: LEFT lateral border of trachea

Question 22

5- Borders

Answer 22

Lateral to ligamentum arteriosum
SUPERIOR: inferior border of aortic arch
INFERIOR: superior border of L main PA

Question 23

6- Borders

Answer 23

Anterior/lateral to ascending aorta/aortic arch
SUPERIOR: line tangential to upper border of aortic arch
INFERIOR: lower border of aortic arch

Question 24

7- Borders

Answer 24

SUPERIOR: carina
INFERIOR (L): upper border of lower lobe bronchus
INFERIOR (R): lower border of bronchus intermedius

Question 25

8- Borders

Answer 25

SUPERIOR (L): upper border of lower lobe bronchus SUPERIOR (R): lower border of bronchus intermedius INFERIOR: diaphragm

Question 26

9- Borders

Answer 26

Lying within the pulmonary ligament SUPERIOR: inferior pulmonary vein INFERIOR: diaphragm

Question 27

10- Borders

Answer 27

SUPERIOR (R): lower border of azygos vein | SUPERIOR (L): upper border of pulmonary artery