1
Q
The “H” shaped vertebra is classically seen in what condition
A
Sickle cell anemia
2
Q
What are some complications to the skeleton secondary to sickle cell anemia?
A
Vertebral body collapse
Posterior mediastinal extramedullary hematopoiesis
Osteomyelitis
3
Q
Which anemia tends to result in “honeycomb” trabecular patterns?
A
Thalassemia
4
Q
Hemophilic arthropathy typically occurs in which joints?
A
Knee
Ankle
Elbow
(bilateral and symmetrical)
5
Q
What is a common ddx when encountering hemophilic arhtropathy of the knee?
A
Juvenile RA
6
Q
Common sites for avascular necrosis/osteonecrosis
A
- Femoral head
- Epiphyses
- Humoral head
- Knees
- Neck of talus
- Waist of scaphoid
7
Q
5 typical causes of avascular necrosis/osteonecrosis
A
- post traumatic
- corticosteroid use
- carison’s dz
- pancreatitis
- collagen dz
