Supracondylar fractures - Milch classification of single column fractures of lateral condyle

Milch classification system divides simple fractures of the lateral condyle into two basic types.

Type Description
Milch type 1 fracture line travels from the lateral metaphysis of the distal humerus and enters the trochleocapitellar groove
Milch type 2 fracture line travels from the lateral metaphysis of the distal humerus and enters the trochlea

References:

1. Tamai J, Lou J, Nagda S, Ganley T, Flynn JM. Pediatric elbow fractures: Pearls and pitfalls. University of Pennsylvania Orthopaedic Journal. 2002;15:43–51.
2. Milch H. Fractures and Fracture Dislocations of the Humeral Condyles. J Trauma. 1964 Sep;4:592–607.
3. Lateral Condylar Fractures Of Humerus In Children Following Varus Malunion Of Supracondylar Fracture. The Internet Journal of Orthopedic Surgery [Internet]. 2010 [cited 2013 Aug 31];17(2).
4. Pennington RGC, Corner JA, Brownlow HC. Milch’s classification of paediatric lateral condylar mass fractures: analysis of inter- and intraobserver reliability and comparison with operative findings. Injury. 2009 Mar;40(3):249–52
.