ACR logo

ACR AC Portal

Home Endometriosis
Variants
Scenario Scenario ID Procedure Adult RRL Peds RRL Appropriateness Category
Endometriosis suspected, initial imaging 3197524
US pelvis transabdominal and US pelvis transvaginal
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
US pelvis transvaginal
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI pelvis without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI pelvis without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
US pelvis transabdominal
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT pelvis with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT pelvis without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT pelvis without and with IV contrast
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Scenario Scenario ID Procedure Adult RRL Peds RRL Appropriateness Category
Endometriosis suspected, US indeterminate, next imaging study, treatment planning 3197527
MRI pelvis without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI pelvis without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT pelvis with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT pelvis without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT pelvis without and with IV contrast
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Endometriosis suspected, US negative, next imaging study, treatment planning 3197529
MRI pelvis without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI pelvis without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT pelvis with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT pelvis without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT pelvis without and with IV contrast
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Endometriosis suspected, US indeterminate, next imaging study, characterization 3197526
MRI pelvis without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI pelvis without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT pelvis with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT pelvis without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT pelvis without and with IV contrast
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Endometriosis suspected, US negative, next imaging study, characterization 3197528
MRI pelvis without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI pelvis without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT pelvis with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT pelvis without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT pelvis without and with IV contrast
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Scenario Scenario ID Procedure Adult RRL Peds RRL Appropriateness Category
Endometriosis suspected, rectosigmoid, initial imaging 3197531
US pelvis transabdominal and US pelvis transvaginal
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
US pelvis transrectal
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
US pelvis transvaginal
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI pelvis without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI pelvis without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
Fluoroscopy contrast enema
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
(Disagreement)
US pelvis transabdominal
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT pelvis with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT pelvis without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT pelvis without and with IV contrast
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Scenario Scenario ID Procedure Adult RRL Peds RRL Appropriateness Category
Endometriosis, postoperative diagnosis, ongoing symptoms, follow-up imaging 3197533
MRI pelvis without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
US pelvis transabdominal
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
US pelvis transabdominal and US pelvis transvaginal
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
US pelvis transvaginal
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI pelvis without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
(Disagreement)
CT pelvis with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT pelvis without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT pelvis without and with IV contrast
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Endometriosis, postoperative diagnosis, new symptoms, follow-up imaging 3197534
MRI pelvis without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
US pelvis transabdominal
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
US pelvis transabdominal and US pelvis transvaginal
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
US pelvis transvaginal
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI pelvis without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
(Disagreement)
CT pelvis with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT pelvis without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT pelvis without and with IV contrast
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
© 2025