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Case: Subcapital Femoral Neck Fracture

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This is a case of a person with left hip pain after a fall

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and unable to bear weight.

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We have two projections here, a frontal projection

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of the pelvis and proximal femurs,

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and then a cross table lateral of the hip.

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So on our frontal projection,

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this is focused more on the hip and proximal femur.

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So we have exclusion of the top portion of the iliac wings

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and the person is presenting with left-sided symptoms.

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So if we go through our checklist, we have our IOP pone

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ILI issue line on the left is maintained

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similar to the right.

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Teardrop is fairly symmetric. SI joints are maintained.

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Pubic synthesis is not diastasis.

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What we can see of the arcuate lines are preserved.

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The hip joint spaces are fairly well preserved

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with some small acetabular osteophytes.

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And now when we get into the hip morphology,

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we can see on the right that we have preservation

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of those load-bearing trabecula.

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We also have maintained hemispheric of the femoral head

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and then the head neck junction is smooth.

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On the left we see that the head neck junction

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show some minimal valgus angulation.

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That's asymmetric to the right.

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So then if we turn our attention to the hip

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and proximal femur, we can see on the left

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that the femoral head spasticity is maintained.

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We can see the preservation of the load-bearing Trabecula

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head neck junction is smooth.

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On the left we have maintained ity of the left femoral head.

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However, the head neck junction

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does not have this smooth contour.

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There is a bit of valgus or outward angulation.

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There is a region of sclerosis along that femoral neck

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that's asymmetric to the right.

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And let's zoom in on the left.

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So with our pan and zoom, we can see

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that this side has this transverse band, little bit

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of valgus angulation as opposed to the normal

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configuration on the right side.

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If we look at our cross table lateral,

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there's no substantial displacement here

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and confirms that there's no dislocation of the hip joint.

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And so this radiography shows

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that there's a minimally impacted

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and essentially non-displaced subcapital

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femoral neck fracture.

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Given the history, we presume it's related

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to the recent trauma, but it's really age in determinate

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and sometimes MRI can be done to identify the acuity, given

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that it has this little bit of sclerosis here.

Report

Faculty

John A Carrino, MD, MPH

Vice-Chairman, Radiology and Imaging

Hospital for Special Surgery

Tags

X-Ray (Plain Films)

Trauma

Musculoskeletal (MSK)

Hip & Thigh

Emergency