Cervical Spine Special Projections

Question 1

Patient position for Swimmers

Answer 1

Patient lateral.
Erect or recumbent.
Mid coronal plane to IR.
Arm closest to IR raised above head.

Question 2

Swimmers CR and film

Answer 2

CR perpendicular or angle 3-5 degrees caudal at level of C7-T1 interspace. 1” above jugular notch
Film 10x12 LW
72” SID

Question 3

Swimmers structures

Answer 3

Lateral projection of the cervicothoracic vertebrae between the shoulders.
Body of C7. C4-T3.

Question 4

AP Fuch position

Answer 4

Supine. MSP to midline of grid. Suspend breathing.
Extend the chin until the tip of chin and tip of mastoid process are vertical.
Mentomeatal line perpendicular

Question 5

AP Fuch CR

Answer 5

CR parallel mentomeatal line and inferior to mentum; and perpendicular to the IR
40”SID

Question 6

AP Fuch structures

Answer 6

Odontoid process lying within the Foramen magnum

Question 7

Swimmers aka

Answer 7

Lateral cervicothoracic

Question 8

PA Judd position

Answer 8

Prone.
Extend the chin until the tip of chin and tip of mastoid process are vertical.
Mentomeatal line perpendicular.

Question 9

PA Judd CR

Answer 9

CR parallel to mentomeatal line and perpendicular to IR.

Enters at base of skull.

Question 10

PA Judd structures shown

Answer 10

Odontoid process lying within the Foramen magnum

Question 11

Ottonello aka

Answer 11

AP Wagging Jaw

Question 12

During the Ottonello, the patient must?

Answer 12

Continuously move mandible during exposure. Pt should not move their head.

Question 13

Ottonello position

Answer 13

Lower margin of upper incisors and mastoid tip are perpendicular to the IR

Question 14

Ottonello CR

Answer 14

CR perpendicular to upper margin of thyroid cartilage

Question 15

Ottonello structures

Answer 15

Entire cervical spine free of superimposition of the mandible

Question 16

Why would we do a Swimmer’s Lateral?

Answer 16

If trouble seeing lower cervical vertebrae

Question 17

Fuchs or Judd method is recommended when?

Answer 17

To show the dens when it’s upper half is not clearly shown in the open-mouth position. Or If neck collar cannot be removed.Don’t use is fx is suspected.

Question 18

Routine non-trauma cervical

Answer 18

Lateral neutral.
2 PA obliques.
AP axial 15-20 degrees cephalic.

Question 19

Cross-table Swimmer’s CR

Answer 19

Angle CR 5degrees caudally if 10x12 Cassette