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tp 3 > QUANTEC > Flashcards

QUANTEC Flashcards

1
Q

What is the dose tolerances of the rectum?

A

V50Gy <50%

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2
Q

What is the dose tolerance for the Femur?

A

V50Gy<5%

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3
Q

What is the dose tolerance for the bladder?

A

V65Gy<50%

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4
Q

What is the dose tolerance for the small bowel?

A

V15 < 120cc

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5
Q

What is the dose tolerance for non-target tissue?

A
  • as low as possible
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6
Q

What is the dose tolerance for the thecal sac?

A

max dose <45 Gy

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7
Q

What is the dose tolerance for thecal sac PRV?

A

max dose <50Gy to 0.01cc

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8
Q

What is the dose tolerance for the brainstem?

A

max dose <50Gy

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9
Q

What is the dose tolerance for the brainstem PRV?

A

max dose <54Gy to 0.01cc

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10
Q

What is the dose tolerance for the TMJ?

A

max dose <60Gy

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11
Q

What is the dose tolerance for the cochlea?

A

mean dose <45Gy

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12
Q

What is the dose tolerance for the oral cavity?

A

mean dose <30Gy

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13
Q

What is the dose tolerance for the penile bulb?

A

mean dose to 95% < 50Gy

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14
Q

What is the dose tolerance for the parotid?

A 
Unilateral = mean dose <20Gy
Bilateral = mean dose <25Gy
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15
Q

What is the end point toxicity for the rectum?

A
  • grade 3+ toxicity

- vaginal rectal fistula

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16
Q

What is the end point toxicity for the femur?

A
  • necrosis
17
Q

What is the end point toxicity for the bladder?

A
  • grade 3+ toxicity

- urinary discomfort

18
Q

What is the end point toxicity for the small bowel

A
  • grade 3+ toxicity
19
Q

What is the end point toxicity for the thecal sac?

A
  • myelopathy

- paralysis

20
Q

What is the end point toxicity for the brainstem?

A
  • neuropathy

- necrosis

21
Q

What is the end point toxicity for the TMJ?

A
  • trismus
  • limited jaw movement and speech
  • decrease oral hygiene
22
Q

What is the end point toxicity for the Cochlea?

A
  • sensory neural hearing loss
  • inflammation and oedema causing compression of cochlear nerve
  • fibrosis and ossificaiton of fluid spaces
  • progessive degeneration and atrophy of vascular structures
23
Q

What is the end point toxicity for the oral cavity?

A
  • oral mucositis
  • xerostoma
  • radiation caries
24
Q

What is the end point toxicity for the penile bulb?

A
  • erectile dysfunction
25
Q

What is the end point toxicity for the parotid?

A
  • long term salivary dysfunction

- xerostomia

tp 3 (1 decks)

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