Normal Bernageau Length Size on Radiography
Normal Bernageau length ranges from -6 to +6 mm on lateral knee radiography, a key measurement for assessing patellar height and patellofemoral alignment.
Patellofemoral
11 entries
B
F
Normal Femoral Intercondylar Sulcus Depth Size on Radiography
Normal femoral intercondylar sulcus depth on sunrise radiography measures greater than 5 mm; shallowing is a key marker of trochlear dysplasia.
Normal Femoropatellar Joint Space Size on Radiography
Normal femoropatellar joint space measures greater than 5 mm on sunrise radiograph — a key threshold for detecting patellofemoral pathology.
L
Normal Lateral Trochlear Inclination Size on MRI
Normal lateral trochlear inclination on MRI measures greater than 11°, a key threshold for assessing patellar instability and trochlear dysplasia.
M
Normal Modified Insall-Salvati Ratio Size on Radiography
The normal modified Insall-Salvati ratio is less than 2 on lateral knee radiography, a key measure for detecting patellar height abnormalities.
P
Normal Patellar Tilt Angle: Radiography, CT & MRI
Normal patellar tilt angle is 20° on sunrise view; learn measurement technique and clinical significance on radiography, CT, and MRI.
Q
Normal Quadriceps Angle Size on X-ray, CT & MRI
Normal quadriceps (Q) angle of the knee measures 15–20° on radiography, CT, and MRI, with clinical relevance to patellar instability and tracking disorders.
S
Normal Sulcus Angle Size on Radiography | Knee
The normal sulcus angle of the knee measures 126–150° on sunrise radiography, a key metric for assessing trochlear morphology and patellar instability.
T
Normal Tibial Tubercle-Trochlea Distance Size on Radiography
Normal tibial tubercle-trochlea (TT-TG) distance on lateral radiography is less than 2 cm, a key measurement in patellar instability assessment.
Normal Trochlear Depth Size on MRI: Knee Reference
Normal femoral trochlear depth on MRI measures greater than 3 mm; values below this threshold indicate trochlear dysplasia and patellar instability risk.
Normal Trochlear Facet Asymmetry Ratio Size on MRI
Normal trochlear facet asymmetry ratio on MRI is less than 0.4; values at or above this threshold suggest femoral trochlear dysplasia.
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