Lec13 Late side effects

Late effects are defined as effects having an onset of...

a) immediate onset

b) onset of at least 2 weeks during treatment

c) onset of at least 2 weeks after treatment

d) onset of at least three months after treatment

d) onset of at least three months after treatment

T/F

Late reactions may worsen over time

True

Late effects are generally seen in all but which of the following tissues:

a) Fatty tissue

b) Muscular tissue

c) Epithelial tissue

d) Rapid overturn tissues

c) Epithelial tissue

idk if this is correct but ik for sure late effects generally seen in the other options dont come for me

-late effects also seen in slow-renewing tissues

What are the 2 risk factors when discussing late effects?

a) Total dose and fractionation

b) Total treatment time and irradiated volume

c) Age and tobacco use

d) Treatment-related and patient related

d) Treatment-related and patient related

-these categories umbrella different topics regarding late effect risk factors

What are the 4 major treatment related factors for late effects?

1. Total dose delivered

2. Fractionation and inter-fraction intervals

3. Total treatment time

4. Irradiated volume

T/F

Late effects are usually seen above a threshold dose

True

Late responding tissues are particularly responsive to modifications in...

a) General treatment time

b) Tobacco use

c) Dose per fraction

d) All of the above

c) Dose per fraction

-general tx time not important with late effects unless accelerated fractionation is used

T/F

Late effects typically seen in older patients

False

-younger patients typically see late effects

Which bone is most frequently affected by osteoradionecrosis?

a) Femur

b) Humeral head

c) Patella

d) Mandible

d) Mandible

A lymphedema case is not swollen but has a severe heaviness. What stage lymphedema is this?

a) Stage 0

b) Stage 1a

c) Stage II

d) Stage III

a) Stage 0

-stage 0 lymphedema has no swelling but severe heaviness

A lymphedema case has scarring and fibrosis. What stage lymphedema is this?

a) Stage 0

b) Stage 1a

c) Stage II

d) Stage III

d) Stage III

-stage III lymphedema has irreversible tissue changes with scarring and fibrosis

A lymphedema case has visible mild swelling with reversible pitting. What stage lymphedema is this?

a) Stage II

b) Stage 1a

c) Stage 1b

d) Stage III

c) Stage 1b

-stage 1b lymphedema has mild swelling and reversible pitting. stage 1a lymphedema has mild swelling and no pitting.

A lymphedema case has visible mild swelling without pitting. What stage lymphedema is this?

a) Stage II

b) Stage 1a

c) Stage 1b

d) Stage III

b) Stage 1a

-stage 1a lymphedema has mild swelling and no pitting. stage 1b has mild swelling with reversible pitting.

A lymphedema case has firm-pitting swelling that is irreversible. What stage lymphedema is this?

a) Stage II

b) Stage 1a

c) Stage 1b

d) Stage III

a) Stage II

Chronic radiation dermatitis may present:

a) 2 weeks after radiation

b) 2 weeks during radiation

c) months to years after radiation

d) 8+ years after radiation

c) months to years after radiation