dappr congenital x rays & sclerosing conditions

Question 1

x ray PE:

• posterior vert body scalloping
• horizontal sacrum
• bullet vert
• champagne glass pelvis
• trident hand
• narrow interpredicular stenosising

Answer 1

achondroplasia

Question 2

PE: hyperelasticity of the skin, diminished type III collagen, posterior vertebral scalloping

pop: white males of European decent

Answer 2

ehlers- danlos sx

Question 3

leads to growth disturbances –> dwarfism

dens hypoplasia–> atlanoaxial instability

anterior vertebral beaking inferiorly

cardiac probs

Answer 3

hurler’s / morquio’s dz

Question 4

trisomy 21

Answer 4

down’s sx

Question 5

What type of upper c/s abn. are seen in down’s sx

Answer 5

sm. C1, elastic transverse lig

stenosis and instability

Question 6

___: has defective type I collagen

___: has defective type II collagen

Answer 6

type 1 (bone) : osteogenesis imperfect

Type III: ehlers- danlos sx

Question 7

___ condition:

defect of collagen type 1

• osteoporosis
• blue sclera
• abn dentition

Answer 7

osteogenesis imperfect

Question 8

“marble bone disease”

Answer 8

osteopetrosis

albers-schonberg dz

Question 9

“Erlenmeyer flask deformity”

Answer 9

osteopetrosis

Question 10

“bone within a bone”

Answer 10

osteopetrosis

Question 11

” sandwich vertebrae”

Answer 11

osteopetrosis

Question 12

___ condition:

• reduced medullary space leads to anemia
• CN compressed
• leukemia and sarcoma

Answer 12

osteopetrosis

albers-schonberg dz

Question 13

linear sclerosing bands of dense bone in met/ dia of long bones

Answer 13

osteopathia striata

Question 14

“dripping candle wax”

Answer 14

melorheostosis