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pelvis · Mediolateral (Modified Cleaves)
Hip Frog-Leg Lateral (Lauenstein)
Patient supine, affected knee flexed and thigh abducted.
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AI Patient · KV Sir
How to perform this view
- 01
Lay patient supine; centre affected hip.
- 02
Flex knee and hip ~90 deg.
- 03
Place sole of foot against inner opposite knee.
- 04
Abduct thigh 40-45 deg; support with pad.
- 05
CR to femoral neck.
- 06
Expose.
Anatomical & patient position
Patient: Patient supine, affected knee flexed and thigh abducted.
Part: Sole of foot against opposite leg; femur abducted 40-45 deg from vertical.
Central ray & centring point
Perpendicular to femoral neck (midway ASIS and symphysis, at greater trochanter level).
Exposure factors
kVp
75-80 kVp
mAs
10-15 mAs
SID
100 cm
IR size
24 x 30 cm landscape
Grid
Yes
Respiration
Suspended
Clinical indications
- Slipped capital femoral epiphysis (SCFE)
- Perthes disease
- Non-traumatic hip pain
Contraindications & precautions
- Suspected hip fracture or dislocation - use cross-table lateral (Danelius-Miller)
- Pregnancy (relative) - confirm LMP / 10-day rule, justify exposure and shield where possible
Structures shown & evaluation criteria
- Femoral head and neck laterally
- Greater trochanter superimposed over neck