Role of Radiologist in OC

Question 1

3 main roles?

Answer 1

Diagnosing
Staging
Surveillance

Question 2

When is radiologist not needed?

Answer 2

If ‘SCC’ - more beneficial dx test e.g ultrasound/ biopsy

Question 3

Purpose of staging?

Answer 3

Define extent of primary cancer and structures it is invading/ structures may be involves in resection

Question 4

Mainstay of radiological staging?

Answer 4

MRI imaging

Question 5

What use is MRI contra-indication?

Answer 5

CT

Question 6

Why is staging important?

Answer 6

Helps select the most appropriate treatment options

Help predict prognosis

Question 7

Difference between M0 and M1?

Answer 7

MO = no distant metastases
M1 = metastasis present

Question 8

What dose ENE stand for?

Answer 8

Extra-nodal extesnion

Question 9

What is ENE?

Answer 9

Spread of carcinoma through fibrous capsule of node into surrounding soft tissue

Question 10

Issue w/ lymph node spread?

Answer 10

Survival falls by half when compare N0 to N1

Question 11

Survival of oral cavity cancer?

Answer 11

47% at 5 years

Question 12

Common site of metastasis?

Answer 12

Chest - lymph nodes or lungs

Chest imaging included diagnostic tests

Question 13

How are pt monitored?

Answer 13

Usually MRI

Question 14

Adv of repeated imaging/same modality?

Answer 14

Used to monitor sites - comparison

Question 15

How are pt monitored if clinical exam and MRI uncertain?

Answer 15

PET - measure glucose metabolism (cancer cells more metabolically active)

Question 16

Which pt should not have MRI?

Answer 16

Those w/ pacemakers