Sacrum coccyx and si jnts
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Sacrum/Coccyx and SI Jnts. Routine Views:. Sacrum/Coccyx AP axial Lateral. AP Axial Sacrum. Structures Shown. The entire sacrum free of superimposition. Good film:. The pubic bones should not overlap the sacrum No foreshortening (angle 15 degrees up) Good even contrast No rotation

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Sacrum/Coccyx and SI Jnts.

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Sacrum coccyx and si jnts

Sacrum/Coccyx and SI Jnts.


Routine views

Routine Views:

  • Sacrum/Coccyx

  • AP axial

  • Lateral


Ap axial sacrum

AP Axial Sacrum


Structures shown

Structures Shown

  • The entire sacrum free of superimposition


Good film

Good film:

  • The pubic bones should not overlap the sacrum

  • No foreshortening (angle 15 degrees up)

  • Good even contrast

  • No rotation

  • Sacrum centered to film

  • Good collimation

  • Fecal material should not overlap the sacrum


Ap axial coccyx

AP Axial coccyx


Sacrum coccyx and si jnts

Here is a list of some of physical traumas that tailbone sufferers have experienced and reported from Tailbone.com:

Auto Accident, rear-end collisionAuto Accident, vertical fall from a cliffChild birth (vaginal) deliveryDead-lifting of heavy weights or barbellsFall on the buttocks down the stairs or laddersFall on the buttocks during Cheerleading Stunts (Throw & catch or Pyramids) Fall on the buttocks during gymnastics on a balance beam Fall on the buttocks during ice skatingFall on the buttocks during roller blading or in-line skatingFall on the buttocks during roller skatingFall on the buttocks during skiingFall on the buttocks during snow boardingFall on the buttocks from a swingFall on the buttocks in a bath tubFall on the buttocks in a bathroomFall on the buttocks on a frozen sidewalkFall on the buttocks on a oily or greased floorFall on the buttocks while skate boardingHorseback riding or falling from a horseMartial Art accidental contact with buttocksProlonged sittingSexual intercourseSitting during PregnancySitting on a bicycle seat with gel paddingSitting on a broken car seat or office chairSitting on a thinly padded bicycle seatSitting on hard surfaces such as stadium bleachersSlip and fall on a hard slippery/wet tile floorSports injury, accidental kick in the buttocksStraddle injury on a fence top or tree limbWater slide drops and jumps


Structures shown1

Structures Shown

  • The whole coccyx and distal sacrum free of superimposition


Good film1

Good Film

  • The coccygeal segments should not be superimposed by pubic bones (angle)

  • Good even contrast

  • Coccyx should be centered to film and seen in its entirety

  • No rotation

  • Good collimation

  • Do they need to use the

    restroom?


Lat sacrum coccyx

Lat. Sacrum/coccyx


Structures shown2

Structures Shown

  • The lateral aspect of the entire sacrum and entire coccyx (**for L-S spine it is okay to clip coccyx)


Good film2

Good Film:

  • The sacrum and coccyx should be seen clearly with even contrast

  • Good collimation

  • Superimposed iliac crest


Si joints

SI joints

  • AP Axial ( same as up shot on L-S spine)

  • RPO/LPO


Ap axial si joints

AP Axial SI joints

Same as AP axial for L-S spine Junction


Rpo lpo si joints

RPO/LPO SI joints

R

L

LPO

RPO


Structures shown3

Structures shown:

  • Shows the sacroiliac joint farthest from the IR and an oblique projection of the adjacent structures

    **Always do both obliques for comparison


Good film3

Good Film:

  • Open SI joint space with minimal overlapping of the ilium and sacrum

  • Joint centered on the film


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