Trauma Hip Lec Quiz

What are three differences from a male vs female pelvis?

• Male is more narrow and heart shape

• Female is more wider and round

• Female pelvis has obtuse 80-85 angle

• Male pelvis has acute 50-60 angle

What is the angle and centering for inlet pelvis image?

• 40 degrees caudal

• Level of ASIS

• MSP

What is the angle and centering for outlet pelvis image?

• 20-35 cephaled for males

• 30-45 cephaled for females

• MSP and 2 in below pubic symphysis

What is demonstrated in Inlet projection?

• Ischial spines are fully

demonstrated and equal in size

and shape

• Superimposed superior pubic

ramus and ischium

What is demonstrated in outlet projection?

• Obturator foramina and bilateral

  ischia are equal in size and

  shape (symmetric)

What is the angle and centering for trauma judet projection

• 45 degrees medial lateral

• 2 in below and 2 in medial from asis

What must be done for trauma judet projections?

• Off center the IR to the left (when

  angling to the left). Place left hip

  joint in the center of the IR.

What is shown on upside and downside judets?

Upside: Posterior rim and anterior iliopubic column, open obturator foramen

Downside: Anterior rim and posterior ilioischial column and elongated iliac wing

What is the angle and centering for LEONARD-GEORGE PROJECTION?

• Place IR in between the patients legs

• Rotate the tube to the IR so the CR is perpendicular to the femoral neck

• CR should be parallel to a line drawn from ASIS and pubic symphysis

What does the LEONARD-GEORGE PROJECTION demonstrate?

• Lateral view of hip

• Acetabulum, hip joint, head,

  neck, and trochanters of the

  femur are visible.

What is the angle and centering of the clement-nakayama projection?

• 30-40 degrees mediolaterally and 15-20 degrees down

• Center perpendicular to femoral neck

What must be demonstrated for the clement’s nakayama projection?

• Lateral view of hip

• acetabulum, head and neck

  in profile, and the trochanters.

What is the clement’s nakayama good for?

• Bilateral hip fractures or arthroplasty

What is the angle and CR centering for the sanderson projection?

• Place IR underneath the hip to be parallel with the long axis of foot

• CR is angled medio-lateral as needed to be perpendicular to long axis of foot or IR.

• Support is placed under affected hip, 20-30 degrees from supine

What does sanderson method demonstrate?

Lateral view showing

the entire head, neck,

acetabulum, and

trochanters.

What are some pathology of the hip?

• Legg Calve´ Perthes

• developmental dysplasia

  of the hip (DDH)

What is von rosen hip?

a test for DDH that

detects whether or not a

hip can be readily

dislocated.