Lymphoma constraints

Question 1

Lymphoma heart constraints

Answer 1

Mean <8 Gy, <15 Gy acceptable
LAD V15 Gy <10%

Question 2

Lymphoma kidney constraints

Answer 2

Single organ:
Mean <5 Gy, <8 Gy acceptable
V10<30%
V20<15%, <25% acceptable

Bilateral:
V5<58%

Question 3

Lymphoma lacrimal gland constraints

Answer 3

V20 Gy <80%

Question 4

Lymphoma larynx/pharyngeal constrictor constraints

Answer 4

Mean <25 Gy

Question 5

Lymphoma liver constraints

Answer 5

Mean <15 Gy, V20 <30%, V30 <20%

Question 6

Lymphoma lung constraints

Answer 6

Mean 13.5 Gy, V20 <20%, 30% acceptable; V5 <55%

Question 7

Lymphoma parotid/submandibular constraints

Answer 7

ipsilateral - mean <11 Gy, <24 Gy acceptable

Question 8

Lymphoma stomach, small bowel constraints

Answer 8

Dmax 45 Gy, V15 <120 cc