paediatric imaging

Question 1

ensure carer in room aiding child xray wears lead apron and if female LMP checked

Question 2

what are 4 ways child xray can be taken

Answer 2

AP supine, sitting, standing
PA standing

Question 3

which positioning is best suited for newborn, how’s it done

Answer 3

ap supine

• one or 2 holders, holding the child in position/still

Question 4

which positioning is best suited for child who can hold their head up, how’s it done

Answer 4

AP sitting

• one or 2 holders, if one then held by arms
• if 2 then on either side held by leg and arm

Question 5

describe how you want kids arms to be during ap sitting chest xray, and how this might affect image

Answer 5

u want kids arms to side 90 degrees held by elbows to prevent leaning or leaning

• arms straight up = increase lordosis so ribs look flatter and anatomy is distorted

Question 6

AP standing only attempted when kid can stand unaided (approx 2-5), child likily wants to stand facing camera so they can still see the room rather than facing away

Question 7

PA standing when the child is at an age they are less anxious (same as adult PA chest)

Question 8

why is it so important that kids are still

Answer 8

degree of rotation on chest xray is more noticeable in smaller patients

Question 9

demonstrate breathing with younger kids as they might not understand

Question 10

what is the child version of pneumothorax

Answer 10

bronchiolitis (know what it looks like)

Question 11

know what cystic fibrosis and mediastinal mass looks like on child xray

Question 12

whats the difference between AP pelvis imaging in adults and kids

Answer 12

no feet rotation for kids

Question 13

how would you image the pelvis on a baby less than 6 months and why

Answer 13

using ultrasound

• as ossification hasn’t begun yet

Question 14

what position is good for viewing femoral epiphysis/ SUFE

Answer 14

frog leg

• CRESTS INCLUDED TO TO AVOID ANY NMEED FOR ADDITONAL DOSE

Question 15

frog leg image is only used before femoral epiphysis has fused

Question 16

what hand is used for bone age xray, what distance

Answer 16

left hand (mainly non-dominant) and its the side program uses

• xray taken at 76 cm

Question 17

what would a long leg paediatric view be done for

Answer 17

• comparing leg lengths (both legs are imaged together )

or conditions e.g rickets

Question 18

what is a whole spine paediatric taken for

Answer 18

see alignment of CTL spine

• if theres query scoloiosis
• (lateral view would be done for kyphosis)

Question 19

why is the whole spine xray taken PA

Answer 19

to avoid dose to breast and eye

Question 20

what are 3 potential skull views of kid skulls

Answer 20

AP/PA
AP/PA TOWNES
LATERAL

Question 21

what is a Townes view

Answer 21

an angled anteroposterior radiograph of the skull and visualises the petrous part of the pyramids, the dorsum sellae and the posterior clinoid processes, which are visible in the shadow of the foramen magnum.

Question 22

what is a NAI skeletal survey, whats done, how’s it done etc

Answer 22

performed on kids with suspected non accidental injury

• all bones of body images to see anypotential fractures
• all people present in room must be documented and primary beam markers on every xray
• all scans burned on xray for hard copy
• 2 radiographers 1 to positon, 1 to expose

Question 23

what scan must babies under 1 always have as part of NAI skeletal survey

Answer 23

ct head

Question 24

what is crepitus

Answer 24

a popping, clicking or crackling sound in a joint

(could be sign of NAI)