Staging

Question 1

SCCa of the maxillary sinus extends through the posterior wall, into the infratemporal fossa. Staging?

Answer 1

T4a

Question 2

T1 of the maxillary sinus is limited to ___ with ___ bony erosion.

Answer 2

T1 of the maxillary sinus is limited to the maxillary sinus with no bony erosion

Question 3

T2 of the maxillary sinus causes ___ erosion, and extension into the ___.

Answer 3

T2 of the maxillary sinus causes bony erosion, and extension into the hard palate and/or middle nasal meatus.

Question 4

T3 of the maxillary sinus invades any of the following:

1. _____
2. subQ tissues
3. floor or medial orbital wall
4. pterygoid fossa
5. ethmoid sinuses

Answer 4

1. bone of the posterior wall of the maxillary sinus
2. subQ tissues
3. floor or medial orbital wall
4. pterygoid fossa
5. ethmoid sinuses

Question 5

T3 of the maxillary sinus invades any of the following:

1. bone of the posterior wall of the maxillary sinus
2. subQ tissues
3. _____
4. pterygoid fossa
5. ethmoid sinuses

Answer 5

T3 of the maxillary sinus invades any of the following:``

1. bone of the posterior wall of the maxillary sinus
2. subQ tissues
   3. floor or medial orbital wall
3. pterygoid fossa
4. ethmoid sinuses

Question 6

T3 of the maxillary sinus invades any of the following:

1. bone of the posterior wall of the maxillary sinus
2. subQ tissues
3. floor or medial orbital wall
4. _____
5. ethmoid sinuses

Answer 6

T3 of the maxillary sinus invades any of the following:

1. bone of the posterior wall of the maxillary sinus
2. subQ tissues
3. floor or medial orbital wall
   4. pterygoid fossa
4. ethmoid sinuses

Question 7

T3 of the maxillary sinus invades any of the following:

1. bone of the posterior wall of the maxillary sinus
2. subQ tissues
3. floor or medial orbital wall
4. pterygoid fossa
5. _____

Answer 7

T3 of the maxillary sinus invades any of the following:

1. bone of the posterior wall of the maxillary sinus
2. subQ tissues
3. floor or medial orbital wall
4. pterygoid fossa
   5. ethmoid sinuses

Question 8

T4a of the maxillary sinus invades the following:
1. ___
2. skin of the cheek
3. pterygoid plates/infratemporal fossa
4. cribiform plate
5. sphenoid or frontal sinuses

Answer 8

T4a of the maxillary sinus invades the following:
1. anterior orbit
2. skin of the cheek
3. pterygoid plates/infratemporal fossa
4. cribiform plate
5. sphenoid or frontal sinuses

Question 9

T4a of the maxillary sinus invades the following:
1. anterior orbit
2. ___
3. pterygoid plates/infratemporal fossa
4. cribiform plate
5. sphenoid or frontal sinuses

Answer 9

T4a of the maxillary sinus invades the following:
1. anterior orbit
2. skin of the cheek
3. pterygoid plates/infratemporal fossa
4. cribiform plate
5. sphenoid or frontal sinuses

Question 10

T4a of the maxillary sinus invades the following:
1. anterior orbit
2. skin of the cheek
3. ___
4. cribiform plate
5. sphenoid or frontal sinuses

Answer 10

T4a of the maxillary sinus invades the following:
1. anterior orbit
2. skin of the cheek
3. pterygoid plates/infratemporal fossa
4. cribiform plate
5. sphenoid or frontal sinuses

Question 11

T4a of the maxillary sinus invades the following:
1. anterior orbit
2. skin of the cheek
3. pterygoid plates/infratemporal fossa
4. ___
5. sphenoid or frontal sinuses

Answer 11

T4a of the maxillary sinus invades the following:
1. anterior orbit
2. skin of the cheek
3. pterygoid plates/infratemporal fossa
4. cribiform plate
5. sphenoid or frontal sinuses

Question 12

T4a of the maxillary sinus invades the following:
1. anterior orbit
2. skin of the cheek
3. pterygoid plates/infratemporal fossa
4. cribiform plate
5. ___

Answer 12

T4a of the maxillary sinus invades the following:
1. anterior orbit
2. skin of the cheek
3. pterygoid plates/infratemporal fossa
4. cribiform plate
5. sphenoid or frontal sinuses

Question 13

T4b of the maxillary sinsus invades any of the following:
1. ___
2. dura/brain/middle cranial fossa
3. CNs (V2)
4. nasopharynx or clivus

Answer 13

T4b of the maxillary sinsus invades any of the following:
1. orbital apex
2. dura/brain/middle cranial fossa
3. CNs (V2)
4. nasopharynx or clivus

Question 14

T4b of the maxillary sinsus invades any of the following:
1. orbital apex
2. _____
3. CNs (V2)
4. nasopharynx or clivus

Answer 14

T4b of the maxillary sinsus invades any of the following:
1. orbital apex
2. dura/brain/middle cranial fossa
3. CNs (V2)
4. nasopharynx or clivus

Question 15

T4b of the maxillary sinsus invades any of the following:
1. orbital apex
2. dura/brain/middle cranial fossa
3. ___
4. nasopharynx or clivus

Answer 15

T4b of the maxillary sinsus invades any of the following:
1. orbital apex
2. dura/brain/middle cranial fossa
3. CNs (V2)
4. nasopharynx or clivus

Question 16

T4b of the maxillary sinsus invades any of the following:
1. orbital apex
2. dura/brain/middle cranial fossa
3. CNs (V2)
4. ___ or ___

Answer 16

T4b of the maxillary sinsus invades any of the following:
1. orbital apex
2. dura/brain/middle cranial fossa
3. CNs (V2)
4. nasopharynx or clivus

Question 17

VC fixation automatically indicates a T__ or higher.

Answer 17

T3