pelvis reactions/doses

Question 1

Vagina Endpoint

Answer 1

Ulcer, fistula, fibrosis occurring months to years post treatment

Question 2

Vagina Acute Side Effects

Answer 2

Vaginal adhesions 10Gy

Vaginitis 30Gy

Question 3

Ovaries Endpoint

Answer 3

Permanent sterility due to loss of function 2.5Gy

Question 4

Ovaries Acute Side Effects

Answer 4

Persistent amenorrhea (loss of period)

Question 5

Penile Bulb QUANTEC Dose

Answer 5

V50<90%

Question 6

Testes Endpoint

Answer 6

Permanent sterility with 1.5Gy occurs weeks to months post treatment

Question 7

Testes Acute Side Effects

Answer 7

Transient aspermia 0.5Gy (reversible)

Question 8

Anus Endpoint

Answer 8

Chronic ulcers
Loss of sphincter function
Stenosis

Question 9

Anus Acute Side Effects

Answer 9

Inflammation & moist desquamation

Question 10

Rectum Endpoint

Answer 10

Severe proctitis
Fistula
Stenosis
Necrosis

Question 11

Rectum Acute Side Effects

Answer 11

Proctitis, 25-30Gy

Question 12

Bladder Endpoint

Answer 12

Bladder contracture

Question 13

Bladder Acute Side Effects

Answer 13

Cystitis, dysuria, frequency, urgency, nocturia, haematuria, urinary retention, fever in combo with UTI

Question 14

Small Bowel Endpoint

Answer 14

Obstruction (often caused by fibrosis)

Question 15

Small Bowel Acute Side Effects

Answer 15

Enteritis, 20-25Gy
Diarrhoea, 25Gy
Constipation, 25Gy (seldom occurs)

Question 16

Skin Endpoint

Answer 16

Necrosis, gangrene & ulceration
TD5/5
70Gy to 10cm^2
55Gy to 100cm^2

Question 17

Chronic Skin Side Effects 1-2 yrs post RT

Answer 17

Telangiectasia - TD5/5:50Gy to 100cm^2 field
Ischaemia
Fibrosis (thickening of the skin)
Pigmentation