RAD-143 FEMUR & PELVIC GIRDLE/HIP

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Author:
anatomy12
ID:
264939
Filename:
RAD-143 FEMUR & PELVIC GIRDLE/HIP
Updated:
2014-03-13 16:32:06
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xray
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xray
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  1. What is one good way to localize the hip joint
    • find level of ASIS
    • and go 1inch-2in medially and 3-4in down
  2. how do we know the patient is in a true ap projection of the pelvis
    because the lesser trochanters are posterior or not visible on the radiograph
  3. how do we take and ensure a true ap of mid and distal femur (what is the rotation)
    where is the cR
    • rotate affected leg 5 degrees int.
    • cr mid way of leg and must include apex of the patella
  4. where is the CR for an ap pelvis
    what is the position of the feet
    • midway between ASIS and greater trochanters 2in distal to ASIS
    • rotated 15-20 degrees internally
  5. how do we find the CR location of the hip and proximal femur unilateral
    • CR perp to mid femoral neck
    • 1-2 in medial from ASIS and 3-4 in down
  6. for a mediolateral projection of the femur wher is the CR and what degree is the flexion of the knee
    cr is perpendicular to femur and flex knee 45 degrees and align femur to midline of table
  7. what is evident in someone with a hip fx taking a pelvis xray
    either effected leg will be rotate horizontally different than the unaffected leg take xray as is
  8. in an ap bilateral frog leg of the pelvis the femora are abducted how many degrees
    where is CR
    breathing instructions
    • 40-45 derees
    • cr perp ro IR 3in below ASIS
    • suspend respiration
  9. for an ap unilateral hip for hip and proximal femur how much rotation is needed of the affected leg
    where is the CR
    • 15-20
    • CR is same as an ap pelvis
  10. where is the CR for a axiolateral inferosuperios projection of hip and proximal femur
    should rotate the leg 15-20 internally?
    breathing?
    where is the cassette
    • CR perp to midfemoral neck
    • yes if fx is noticeable do not attempt
    • hold your breath
    • above the iliac crests and is adjusted so it is parallel to femoral neck and perp to CR
  11. how much abduction is needed for a unilateral forg leg for the hip and proximal femur
    where is cr
    breathing hold your breath
    what structure does it view
    • 45 deg
    • CR perp to IR at midfemoral neck
    • acetabulum in a lateral view
  12. what position of the femur will show the head and neck in profile with the lesser trochanter not visible
    ap pelvis
  13. breathing instructions of all hip femur and pelvis xrays
    hold your breath suspend
  14. how much should the affected knee be flexed when xraying a lateral femur
    45 deg
  15. how much should the leg be rotated to obtain a true ap of the prox femur
    15-20 internal rotation as for an ap hip
  16. how much rotation would you need for a true ap projection of the mid and distal femur
    5deg as you would for a knee
  17. what is the angle of cr angle for and ap axial outlet projection for male and female
    where is the CR
    breathing?
    • CR cephalad female: 30-45 deg
    • CR cephalad male: 20-35 deg
    • CR 1-2in distal to superior border of pubis symphysis  or greater trochanters (palpate trochanters and center down 1-2 in
    • hold ya breath
  18. for an ap axial inlet projections pelvis what angle is the CR
    where is the CR
    • CR 40 deg caudad
    • at midline at level of ASIS
  19. what is the routine for a femur
    ap and lateral
  20. what is the routine for a prox hip and femur and pelvis
    • pelvis = ap only and bilateral frog leg
    • hip = ap unilateral and axiolateral projection
  21. what are the special views of the pelvis
    and hip proximal femur
    • ap axial inlet and outlet
    • hip prox femur = unilateral nontrauma frog leg (modified cleaves method)
  22. In a pelvis radiograph what position of the leg is visible when you see the lesser trochanters in profile the lesser troc not in profile and when one leg is rotated externally than the other
    • lesser troc.in profile = external rotation
    • lesser troch not in profile = 15-20 deg internal rotation
    • one leg externally rotate = indicates hip fx of the pt
  23. what is legg calve perthes disease
    what does a xray show of this
    what is the age group of this disease
    • is most common type of aseptic necrosis or ischemic necrosis
    • lesions are on one hip of the head and neck of femur
    • flattened femoral head that can appear fragmented
    • 5-10 yrs old

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