From: How to restore rotation center in total hip arthroplasty for developmental dysplasia of the hip by recognizing the pathomorphology of acetabulum and Harris fossa?
Crowe types
I
II
III
IV
Harris fossa type
Crack shape
7
1
Closed shape
17
2
Triangle shape
15
Shallow shape
11
Acetabulum type
Shallow cup shape
6
Dish shape
18
Shell shape
12