Radiology Views

Question 1

What does the name of a radiologic view indicate?

Answer 1

Indicates the direction of travel of the x-ray beam

Question 2

Caudal-Cranial View

Answer 2

Dog on its back, belly up

Question 3

Cranial-Caudal View

Question 4

Dorso65Proximal-PalmaroDistal Oblique (65 DP) Equine

Question 5

Dorsopalmar View (Equine)

Question 6

Palmar-Proximal-Palmar-Distal Oblique (Flexor Navicular View)

Question 7

DLPMO View

Question 8

DMPLO View

Question 9

Rostrocaudal (Frontal Sinus) View

Question 10

How should the spine be positioned in relationship to the tabletop?

Answer 10

Should be parallel to the table top

Question 11

Positioning for Lateral View

Answer 11

Foam support wedges or sandbags may be needed under the neck. Retract thoracic limbs to optimize looking at the caudal cervical spine (decreases tissue thickness)

Question 12

Positioning for Ventrodorsal View

Answer 12

Foam wedges or sandbags may be necessary. Spinous processes should be midline. (seen only as oval mineral opacities superimposed with the vertebral bodies)

Question 13

How do you position barrel or deep-chested dogs for a thoracic spine: lateral view?

Answer 13

It is difficult to get the spine parallel to table. Can put a wedge under sternum.

Question 14

Positioning for Dorsoventral

Answer 14

Dog is on its stomach, radiation goes through back to stomach

Question 15

Where can osteochondrosis form?

Answer 15

Can form anywhere you have articular cartilage or articular surface

Question 16

What is Osteochondrosis?

Answer 16

Dysfunction of endochondral ossification. Cartilage cells do not make the transition into bone but continue to proliferate. (gets stuck in cartilage zone and never converts to bone)

Question 17

What is the hallmark of osteochondrosis?

Answer 17

Defect of the thickened area of cartilage or erosion. May also represent subchondral erosion.

Question 18

Osteochondritis Dissecans

Answer 18

A calcified flap of articular cartilage and mineral fragments are seen. The thickened area may become displaced, if there is no joint effusion, there are no nutrients going to the cartilage so cartilage can die and fall off and may become mineralized.