Ch 15 - Cutaneous Squamous Cell Carcinoma of the Head and Neck

Question 1

Tx

Answer 1

Primary tumor cannot be assessed

Question 2

Tis

Answer 2

Carcinoma in situ

Question 3

T1

Answer 3

Tumor smaller than 2cm in greatest dimension

Question 4

T2

Answer 4

Tumor 2cm or larger, but smaller than 4cm in greatest dimension

Question 5

T3

Answer 5

Tumor 4cm or larger in maximum dimension or minor bone erosion or perineural invasion or deep invasion*

*Deep invasion is defined as invasion beyond the subcutaneous fat or >6mm (as measured from the granular layer of adjacent normal epidermis to the base of the tumor); perineural invasion for T3 classification
is defined as tumor cells within the nerve sheath of a nerve lying deeper than the dermis or measuring 0.1 mm or larger in caliber, or presenting with clinical or radiographic involvement of named nerves without skull
base invasion or transgression.

Question 6

T4a

Answer 6

Tumor with gross cortical bone/marrow

invasion

Question 7

T4b

Answer 7

Tumor with skull base invasion and/or skull

base foramen involvement

Question 8

cNx

Answer 8

Regional lymph nodes cannot be assessed

Question 9

cN0

Answer 9

No regional lymph node metastasis

Question 10

cN1

Answer 10

Metastasis in a single ipsilateral lymph node, 3 cm

or smaller in greatest dimension and ENE(-)

Question 11

cN2a

Answer 11

Metastasis in a single ipsilateral node larger than
3 cm but not larger than 6 cm in greatest
dimension and ENE(-)

Question 12

cN2b

Answer 12

Metastasis in multiple ipsilateral nodes, none

larger than 6 cm in greatest dimension and ENE(-)

Question 13

cN2c

Answer 13

Metastasis in bilateral or contralateral lymph
nodes, none larger than 6 cm in greatest dimension
and ENE(-)

Question 14

cN3a

Answer 14

Metastasis in a lymph node larger than 6 cm in

greatest dimension and ENE(-)

Question 15

cN3b

Answer 15

Metastasis in any node(s) and ENE(+)

Question 16

pNx

Answer 16

Regional lymph nodes cannot be assessed

Question 17

pN0

Answer 17

No regional lymph node metastasis

Question 18

pN1

Answer 18

Metastasis in a single ipsilateral lymph node, 3cm

or smaller in greatest dimension and ENE(-)

Question 19

pN2a

Answer 19

Metastasis in single ipsilateral or contralateral
node 3 cm or smaller in greatest dimension and
ENE(+);
or a single ipsilateral node larger than 3 cm but
larger than 6 cm in greatest dimension and ENE(-)

Question 20

pN2b

Answer 20

Metastasis in multiple ipsilateral nodes, none

larger than 6 cm in greatest dimension and ENE(-)

Question 21

pN2c

Answer 21

Metastasis in bilateral or contralateral lymplh
nodes, none larger than 6 cm in greatest dimenision
and ENE(-)

Question 22

pN3a

Answer 22

Metastasis in a lymph node larger than 6 cm

greatest dimension and ENE(-)

Question 23

pN3b

Answer 23

Metastasis in a single ipsilateral node larger
3 cm in greatest dimension and ENE(+};
or multiple ipsilateral, contralateral, or bilateral
nodes, any with ENE(+)

Question 24

What is the stage for:

Tis N0 M0

Answer 24

Stage 0

Question 25

What is the stage for:

T1 N0 M0

Answer 25

Stage I

Question 26

What is the stage for:

T2 N0 M0

Answer 26

Stage II

Question 27

What is the stage for:

T3 N0 M0

Answer 27

Stage III

Question 28

What is the stage for:

T1 N0 M0

Answer 28

Stage III

Question 29

What is the stage for:

T2 N1 M0

Answer 29

Stage III

Question 30

What is the stage for:

T3 N1 M0

Answer 30

Stage III

Question 31

What is the stage for:

T1 N2 M0

Answer 31

Stage IV

Question 32

What is the stage for:

T2 N2 M0

Answer 32

Stage IV

Question 33

What is the stage for:

T3 N2 M0

Answer 33

Stage IV

Question 34

What is the stage for:

Any T N3 M0

Answer 34

Stage IV

Question 35

What is the stage for:

T4 Any N M0

Answer 35

Stage IV

Question 36

What is the stage for:

Any T Any N M1

Answer 36

Stage IV