"type A: extraarticular"
"A1: avulsion"
"A2: simple"
"A3: wedge or multifragmentary"
"type B: partial articular, the fracture is involving one part of the articular surface, yet the rest of the joint is still attached to the metaphysis and diaphysis"
"B1: lateral sagittal"
"B2: medial sagittal"
"B3: frontal/coronal"
"type C: complete articular, the fracture is distributing the joint surface and separated from the diaphysis"
"C1: both the articular and the metaphyseal portions are simple"
"C2: simple articular with a fragmentary metaphyseal component"
"C3: multifragmentary articular"
"A.1.2 medial epicondyle"
"A3.3 multifragmentary"
"B2.2 medial articular surface"
"The AO/OTA classification of distal humeral fractures is one of the most frequently used systems for classifying distal humeral fractures."
"The AO/OTA classification of distal humeral fractures is one of the most frequently used systems for classifying distal humeral fractures."
"The AO classification divides distal humeral fractures into three groups, A, B and C with complexity and severity increasing 1."
"type A: extraarticular"
"A1: avulsion"
"A1.1 lateral epicondyle"
"A.1.2 medial epicondyle"
"A2: simple"
"A2.2 oblique"
"A1.3 transverse"
"A3: wedge or multifragmentary"
"A3.2 intact or fragmentary wedge"
"A3.3 multifragmentary"
"type B: partial articular, the fracture is involving one part of the articular surface, yet the rest of the joint is still attached to the metaphysis and diaphysis"
"B1: lateral sagittal"
"B1.1 transtrochlear"
"B1.2 transcapitellar"
"B1.3 transtrochlear multifragmentary"
"B2: medial sagittal"
"B2.1 transtrochlear"
"B2.2 medial articular surface"
"B2.3 transtrochlear multifragmentary"
"B3: frontal/coronal"
"B3.1 capitellum"
"B3.2 trochlea"
"B3.3 combo of capitellum and trochlea"
"type C: complete articular, the fracture is distributing the joint surface and separated from the diaphysis"
"C1: both the articular and the metaphyseal portions are simple"
"C2: simple articular with a fragmentary metaphyseal component"
"C3: multifragmentary articular"
"A.1.2 medial epicondyle"
"A.1.2 medial epicondyle"
"The AO classification divides distal humeral fractures into three groups, A, B and C with complexity and severity increasing 1."