An MRI of the femur visualizes bone marrow and cortical bone, periosteum, surrounding muscles, tendons, ligaments, cartilage and nearby joints (hip/knee). It detects fractures (including occult/stress), bone marrow edema, infections (osteomyelitis), tumors or metastases, avascular necrosis, and soft‑tissue masses or inflammation. MRI also assesses post‑surgical changes and vascularity, guiding diagnosis and treatment planning.

A femur MRI typically takes about 20–45 minutes for a standard exam. More complex studies, whole-leg imaging, or scans with contrast can lengthen the appointment to 45–60 minutes. Allow extra time for registration, positioning and any IV setup. Movement may require repeat sequences and extend the scan, so staying relaxed and still helps keep the exam within the expected timeframe.

Yes. MRI images the femur effectively — it shows bone marrow, bone bruises, occult fractures, and surrounding soft tissues, cartilage, ligaments and muscles. Dense cortical bone gives very low signal and appears dark, so CT or X‑ray may better demonstrate cortical fractures or fine bony detail. MRI is preferred for marrow, soft‑tissue and early fracture detection.

MRI of the thigh shows detailed images of muscles, tendons, ligaments, fat and bone marrow, detecting muscle strains or tears, edema, hematoma, tumors or cysts, infections and abscesses, and bone or stress fractures. It visualizes joint and nerve involvement, vascular abnormalities and post-surgical changes, guiding diagnosis, treatment planning and monitoring of healing or disease progression.

Yes — MRI is excellent at detecting many bone-related problems, especially bone marrow abnormalities (edema), infections, tumors, stress or occult fractures, and conditions affecting adjacent soft tissues, cartilage, and ligaments. It’s less sensitive for fine cortical bone detail or tiny cortical fractures, where CT or plain X-ray may be preferred. Your doctor will choose the best test for the suspected issue.

The femur is the thigh bone, the longest and strongest bone in the body, extending from the hip to the knee. Its rounded head fits into the pelvis to form the hip joint; the distal end articulates with the tibia and patella at the knee. It bears body weight, supports posture and provides major attachment points for muscles that enable walking and other leg movements.