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XR Femur

XRNo contrastMSK
Indications
  • Thigh pain/trauma
  • Suspected femoral shaft fracture
  • Pathologic lesion/metastasis
  • Postoperative/hardware evaluation
Patient prep
  • Remove clothing with radiopaque objects; gown
Contrast
None / non-contrast
Technique
  • AP: supine, leg internally rotated 5-15 deg (only if no fracture), CR perpendicular to mid-femur
  • Lateral: mediolateral with affected side down (non-trauma) or cross-table horizontal beam (trauma), CR to mid-femur
  • Include the joint nearest the pathology; ideally both hip and knee (often two images)
  • SID 40 inches; grid for proximal femur; kVp ~75-85
Series / Sequences
#Series / SequencePlaneNotes
1APFrontalInternal rotation 5-15 deg if no fracture; include hip or knee (joint nearest injury)
2LateralSagittalMediolateral (non-trauma) or cross-table horizontal beam (trauma); include relevant joint
Key points
  • Include both hip and knee joints when possible — may require two exposures for full coverage
  • Use horizontal-beam lateral for suspected fracture instead of rotating limb
  • Image the joint closest to the suspected pathology at minimum
References
• Bontrager's Handbook - Femur
• Merrill's Atlas Vol 1 - Lower Limb/Femur
• Radiopaedia: Femur series link
Source: Researched — verify against your institution
Reference template — verify and adapt to your scanner, vendor and institution before clinical use. Not a substitute for clinical judgment.