Radiography

Question 1

Lateral thorax positioning aids

Answer 1

Wedges:
Sternum
Between forelimbs

Extend forelimbs cranially
- secure with sandbags (2)
Sandbag mid cervical
Hindlimbs secured with sandbags (2)

Question 2

Lateral thorax collimation

Answer 2

Centred mid-thorax

D-V skin edges
Thoracic inlet/manubrium
Last rib

Question 3

Hip score positioning aids

Answer 3

Sandbags/trough to keep body straight

Forelimbs extended cranially & secured
Extend hindlimbs caudally & secure
Hindlimbs rotates medially
- femora parallel to each other
- patellae uppermost 
- secured above patellae 
Wedge between stifles 
Tail midline

Question 4

Hip score collimation

Answer 4

Centred pubic symphysis

Lateral skin edges
Just above wing of ilium
Mid-shaft femur

Question 5

Hip score labelling

Answer 5

Patient ID
KC reg. number
Microchip number
Date

Question 6

Cystogram positioning aids

Answer 6

Wedges

• sternum
• between stifles

Forelimbs relaxed and secured
Hindlimbs extended caudally and secured

Question 7

Cystogram collimation

Answer 7

Centred caudal abdomen (bladder)

D-V skin edges
Umbilicus
Ischium

Question 8

Medio-lateral tib and fib positioning

Answer 8

Extend upper hindlimb caudally and secure
Sandbag over lower foot
Wedge under stifle

Question 9

Medio-lateral tib and fib collimation

Answer 9

Centred mid tib-fib

CR-CD skin surfaces
Stifle joint
Tarsal joint

Question 10

V-D thorax positioning

Answer 10

Sandbags or trough to prevent lateral rotation

Elbows drawn cranially, forelimbs secured

Question 11

V-D thorax collimation

Answer 11

Centred mid thorax

Lateral skin edges
Thoracic inlet/manubrium
Last rib

Question 12

Lateral cervical vertebrae positioning

Answer 12

Wedges

• sternum
• nose
• neck
• between forelimbs

Extend forelimbs caudally and secure

Question 13

Lateral cervical vertebrae collimation

Answer 13

Centred mid-neck

Dorsal skin edge
Mid ventral neck region
First rib (T1)
Occipital crest

Question 14

Lateral lumbar vertebrae positioning

Answer 14

Wedges

• sternum
• mid-lumbar slime
• between stifles

Hindlimbs relaxed, secured

Question 15

Lateral lumbar vertebrae collimation

Answer 15

Centred mid lumbar spine

Dorsal skin surface
Ventral mid-abdomen
Thoraco-lumbar junction (in front last rib)
Greater trochanter

Question 16

D-V thorax positioning

Answer 16

Sandbags to prevent lateral rotation

Elbows drawn cranially
- forelimbs secured with sandbag
wedge under chin
Sandbag over neck
Hindlimbs flexed into crouch

Question 17

D-V thorax collimation

Answer 17

Centred mid thorax

Lateral skin surfaces
Thoracic inlet/manubrium
Last rib