The Orthopaedic Trauma Association (OTA) classified a fracture involving a phalanx in the foot.
|
Toe |
Proximal |
Middle |
Distal |
|
Great (Thumb) |
T1 |
T2 |
|
|
Index |
I1 |
I2 |
I3 |
|
Middle |
M1 |
M2 |
M3 |
|
Fourth (Ring) |
R1 |
R2 |
R3 |
|
Fifth (Little) |
L1 |
L2 |
L3 |
OTA designation: 82
|
Fracture Location, Type |
Designation |
|
proximal extra-articular |
A1 |
|
proximal, partial articular |
B1 |
|
proximal, articular |
C1 |
|
diaphysis, simple |
A2 |
|
diaphysis, wedge |
B2 |
|
diaphysis, complex |
C2 |
|
distal, extra-articular distal |
A3 |
|
distal, partial articular |
B3 |
|
distal, articular |
C3 |
|
Fracture |
Designation |
|
avulsion |
A1.1 |
|
simple |
A1.2 |
|
multifragmentary |
A1.3 |
|
unicondyle medial |
B1.1 |
|
unicondyle lateral |
B1.2 |
|
NA |
B1.3 |
|
simple articular/metaphysis |
C1.1 |
|
simple articular, multi-fragmentary metaphysis |
C1.2 |
|
multi-fragmentary articular |
C1.3 |
|
spiral |
A2.1 |
|
oblique |
A2.2 |
|
transverse |
A2.3 |
|
spiral |
B2.1 |
|
bending |
B2.2 |
|
fragmented |
B2.3 |
|
segmental |
C2.1 |
|
irregular |
C2.2 |
|
NA |
C2.3 |
|
avulsion |
A3.1 |
|
simple |
A3.2 |
|
multi-fragmentary |
A3.3 |
|
unicondyle, medial |
B3.1 |
|
unicondyle, lateral |
B3.2 |
|
NA |
B3.3 |
|
simple articular/metaphysis |
C3.1 |
|
simple articular, multi-fragmentary metaphysis |
C3.2 |
|
multifragmentary articular |
C3.3 |
Specialty: Surgery, orthopedic, Emergency Medicine, Critical Care, Surgery, general
