Differentials

Acetabular fracture

SIGNS / SYMPTOMS
INVESTIGATIONS
SIGNS / SYMPTOMS

Leg is rarely shortened or externally rotated.

INVESTIGATIONS

Plain x-ray demonstrates acetabular fracture.

Pubic rami fracture

SIGNS / SYMPTOMS
INVESTIGATIONS
SIGNS / SYMPTOMS

Leg is rarely shortened or externally rotated.

INVESTIGATIONS

Plain x-ray demonstrates pubic rami fractures.

If x-ray is negative, MRI will demonstrate pubic rami fractures.

Femoral shaft or subtrochanteric femur fracture

SIGNS / SYMPTOMS
INVESTIGATIONS
SIGNS / SYMPTOMS

Often thigh is deformed.

INVESTIGATIONS

Plain x-ray demonstrates femoral shaft or subtrochanteric fracture.

Femoral head fracture

SIGNS / SYMPTOMS
INVESTIGATIONS
SIGNS / SYMPTOMS

Often associated with hip dislocation.

INVESTIGATIONS

Plain x-ray and pelvic CT demonstrates femoral head fracture.

Septic hip

SIGNS / SYMPTOMS
INVESTIGATIONS
SIGNS / SYMPTOMS

Fever and chills.

INVESTIGATIONS

Hip aspiration may reveal frank pus or a turbid fluid suggestive of infection.

Laboratory isolation of infecting organisms in the fluid is confirmatory.

Elevated WBC count.

Use of this content is subject to our disclaimer