Radiology Live Unit 5

Question 1

Usual location for morgagni

Answer 1

Right sided, causes right paracardiac opacity

Question 2

Chance of recurrence after successful air reduction of ileocolic intussusception

Answer 2

10-15%

Question 3

Most specific US feature of wilms

Answer 3

Tumour pseudocapsule

Question 4

Neuroblastome vs wilms calcification

Answer 4

Fine, stippled vs coarse chunky

Question 5

Trummerfield zone

Answer 5

Lucent metaphyseal band with adjacent sclerosis, suggests scurvy

Question 6

Most likely cause of right paracardiac opacity on neonatal CXR

Answer 6

Morgagni hernia

Question 7

CCAM associated with renal agenesis

Answer 7

Type 2

Question 8

Thanatophoric dysplasia skull

Answer 8

Macrocephaly with large anterior fontanelle

Question 9

Prenatal CCAM associated with

Answer 9

Hydronephrosis

Question 10

Hepatoblastoma vs infantile haemangioma calcifications

Answer 10

Hepatoblastoma are coarse and chunky, Haemangioma are fine and stippled

Question 11

Painful swelling of hands and feet in sickle cell

Answer 11

Dactylitis, or hand-foot syndrome

Question 12

Smooth, single layered periosteal reaction in diaphysis of long bones (infant)

Answer 12

Physiological periostitis

Question 13

2 week old, heterogenous suprarenal mass with no calcifications

Answer 13

Adrenal haemorrhage

Question 14

Hurlers spine features

Answer 14

anterior inferior beaking

Question 15

Mesoblastic nephroma vs wilms

Answer 15

Mesoblastic nephroma is homogenous & more well defined

Question 16

Hurlers underlying pathology

Answer 16

Accumulation of Dermatan and Heparan Sulfate

Question 17

Best sequence to look for fat to differentiate Wilms from AML

Answer 17

T1 fat sat

Question 18

Heterogenous suprarenal mass in neonate US

Answer 18

Likely adrenal haemorrhage, f/u rpt US in 1-2 weeks

Question 19

Metaphyseal fraying and cupping

Answer 19

Vit D deficiency (Rickets)

Question 20

Isolated vertebra plana

Answer 20

LCH, usually spontaneously resolves

Question 21

Optic glioma Rx

Answer 21

Observation with MRI, usually WHO grade 1

Question 22

CCAM and renal cysts on prenatal US, Ix

Answer 22

Foetal MRI

Question 23

Diffusion restriction in posterior fossa

Answer 23

Medulloblastoma

Question 24

Frankel’s line

Answer 24

Dense white line at the metaphyseal end of growth plate, specific to scurvy

Question 25

Neonate with congenital diaphragmatic hernia Iz

Answer 25

US chest and abdo

Question 26

Most sensitive to detect calcifications in paeds liver masses

Answer 26

CT