Paediatric radiology

Question 1

Round pneumoia

Answer 1

Only in paediatric
Well defineid, area of consolidation (development of interalvelolar communication
Mean age 5

Question 2

CXray in children

Answer 2

Cardiothoracic ratio 60%
Trachea lies to right
Diaphragn hihger
Thymus sail sign

Question 3

RDS / hyaline membrane dz

Answer 3

Surfactant lowers the surface tension of the alveoli, alveoli lose their compliance -> collape -> difficulty ventilating

Question 4

RDS cxray

Answer 4

Diffuse symmetric reticulogranular densities (ground glass)

• prominent central air bronchograms
• generalised hypoventilation

Question 5

RILE

Answer 5

Respirator induced lung injury

Question 6

RDS complications

Answer 6

Barotrauma
PTHX
[finish]

Question 7

PTHX CXR signs?

Answer 7

[finish]

Question 8

Necrotising enterocolitis

Answer 8

Most common GI in prem neonates. Sig morbidy ad mortality.
AXR: dilated loops of bowel
-intramural gas
-portal venous gas (anaerobic bacteria invading bowel, gas producing)
-pneumoperitoneum

Question 9

Cysic fibrosis xray features

Answer 9

[add]

Question 10

Duodenal atresia - xray reatures

Answer 10

Double bubble xray

N.B think of this in Down’s syndrome babies

Question 11

Congenital diaphragmatic hernia

Answer 11

Abdo cotnents in chest

Ass w lung hypoplasia