MSK Flashcards
1
Q
risk factors of DDH
A
female, breech birth, oligohydramnios
2
Q
what is the normal acetabular angle
A
<30
3
Q
typical demographic for LCP
A
white person, 5-8years
4
Q
typical demographic for SCFE
A
adolescent obese black kid
5
Q
how often is SCFE bilateral
A
30%
6
Q
alpha angle (on US) for DDH should be
A
> 60 degrees
7
Q
remote history of ankle fracture
A
physeal bar
physeal bridges start between 1-2 months following injury
8
Q
A
Luckenshadel (lacunar skull)
- Defect of membranous bone
- Well defined lucent areas in the calvaria – lacuna are bounded by normally ossified bone
- Associated with NTDs – especially Chiari II
9
Q
how long does the anterior fontanelle remain open?
A
until abnout 9 mo
10
Q
anterior is open > 9months. What does this suggest?
A
hydrocephalus
11
Q
when does the meitopic suture close
A
the first one to close at 2 months
12
Q
what is the bregma?
A
anatomic point of intersection between the coronal and metopic suture
