Orthopedics Book

Elbow Disorders


Elbow Ossification Centers

Aka: Elbow Ossification Centers
  1. Physiology: Ossification Centers in order of appearance on XRay (Mnemonic: CRITOE)
    1. Capitellum
      1. Girls: 1 year
      2. Boys: 2 years
    2. Radial Head
      1. Girls: 3 year
      2. Boys: 4 years
    3. Internal or medial epicondyle
      1. Girls: 5 year
      2. Boys: 6 years
    4. Trochlea
      1. Girls: 7 year
      2. Boys: 8 years
    5. Olecranon
      1. Girls: 9 year
      2. Boys: 10 years
    6. External or lateral epicondyle
      1. Girls: 11 year
      2. Boys: 12 years
  2. Resources
    1. Dr. Yamamoto, Pediatrics, University of Hawaii
      1. http://www.hawaii.edu/medicine/pediatrics/pemxray/v1c11.html

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