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Home Acute Trauma to the Knee

Variants

Skeletally immature child. Fall or acute twisting trauma to the knee. No fracture seen on radiographs. Suspect occult fracture or internal derangement. Next study.

Documents

Scenario

Scenario ID

Procedure

Adult RRL

Peds RRL

Appropriateness Category

Knee trauma, fall or twisting, internal derangement suspected, no fracture on radiography, next imaging study

3183788

MRI knee without IV contrast

0 mSv
O

0 mSv [ped]
O

Usually appropriate

CT knee without IV contrast

<0.1 mSv
☢

0.03-0.3 mSv [ped]
☢☢

May be appropriate

US knee

0 mSv
O

0 mSv [ped]
O

Usually not appropriate

MR arthrography knee

0 mSv
O

0 mSv [ped]
O

Usually not appropriate

MRA knee without and with IV contrast

0 mSv
O

0 mSv [ped]
O

Usually not appropriate

MRA knee without IV contrast

0 mSv
O

0 mSv [ped]
O

Usually not appropriate

MRI knee without and with IV contrast

0 mSv
O

0 mSv [ped]
O

Usually not appropriate

CT knee with IV contrast

<0.1 mSv
☢

0.03-0.3 mSv [ped]
☢☢

Usually not appropriate

CT knee without and with IV contrast

<0.1 mSv
☢

0.03-0.3 mSv [ped]
☢☢

Usually not appropriate

Bone scan with SPECT or SPECT/CT lower extremity

1-10 mSv
☢☢☢

3-10 mSv [ped]
☢☢☢☢

Usually not appropriate