Bayne and Klug Classification
Type I Short Distal Radius (Hypoplastic/Absent distal radial epiphysis)
Type II Hypoplastic Radius (Deficient radial epiphyses, distal and proximal)
Type III Partial Absence(Present Proximally)
Type IV Complete Absence (Most Common)
Full Video: https://youtu.be/2toAbtsNZTQ
Ref: Long-term review of the surgical treatment of radial deficiencies
Loui G.Bayne M.D. Mark S.Klug M.D. The Journal of Hand Surgery
Volume 12, Issue 2, March 1987, Pages 169-179
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