Main Content
| Purpose | Assess presence and quantify degree of genu varus or valgus |
| Tag(s) | Limb length, leg length, discrepancy, lower extremity, scanogram |
| Panel | Musculoskeletal Panel |
| Define-AI | 19050030 |
| Originator | David Sandman |
| Lead | David Sandman |
| Panel Chair | Jay Patti |
| Panel Reviewers | Musculoskeletal Panel |
| License | Creative Commons 4.0 |
| Status | Public Commenting |
| RadElement Set | RDES106 |
|
Procedures(s) |
{Standing/weightbearing long-leg/lower extremity radiographs} |
|
View(s) |
{Upright/standing-radiographs} |
|
Sex at Birth |
{Male,Female} |
|
Age |
[0,90] |
DICOM Study
|
Procedure |
Standing/weightbearing long-leg/lower extremity radiographs |
|
Views |
AP Views |
|
Data Type |
DICOM |
|
Modality |
Radiograph |
|
Body Region |
Lower Extremity |
|
Anatomic Focus |
Hip, thigh, knee, leg , ankle |
Bilateral qualitative alignment of the knee
|
RadElement ID |
RDE686 |
|
Definition |
Genu varus, valgus or normal alignment. Mechanical axis (MA) = line from top of femoral head to mid tibial plafond. If MA medial to intercondylar notch = genu varus. If MA lateral to intercondylar notch = genu valgus. If MA within the intercondylar notch = normal alignment. |
|
Data Type |
Categorical |
|
Value Set |
|
|
Units |
N/A |
Bilateral quantitative alignment of the knee
|
RadElement ID |
RDE684 |
|
Definition |
Measure genu varus or valgus. 1) Mechanical axis of femur (MAF) = line from top of femoral head through intercondylar notch 2) Tibial axis (TA) = line from intercondylar eminence to mid tibial plafond 3) Angle between continuation of MAF to level of tibia and TA |
|
Data Type |
Numeric |
|
Value Set |
N/A |
|
Units |
Degrees |
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