Orthopedics Book


Elbow XRay

Aka: Elbow XRay, Sail Sign
  1. See Also
    1. Elbow Ossification Centers
    1. Standard Views
      1. Anteroposterior
      2. Lateral
    2. Special views
      1. Radial Head-Capitellum View
        1. Isolates radial head without overlapping shadows
  3. Technique
    1. Elbow in 90 degree flexion
    2. Compare with opposite elbow
  4. Evaluation: Landmarks on lateral Elbow XRay
    1. Anterior humeral line
      1. Line drawn along the anterior edge of the Humerus
      2. Passes through middle third of the capitellum
    2. Radiocapitellar line
      1. Line drawn through center of radius
      2. Normally bisects the capitellum
  5. Evaluation: Findings suggestive of Fracture
    1. Sail Sign (effusion displaces the anterior fat pad)
      1. Consider Radial Head Fracture
      2. May also represent synovitis or spontaneous hemarthrosis without Fracture
    2. Posterior fat pad sign (always pathologic)
      1. Child: Supracondylar Fracture
      2. Adult: Radial Head Fracture
  6. Precautions
    1. Elbow Ossification Centers need to be considered when reviewing Elbow XRays in children
  7. References
    1. Gharahbaghian in Herbert (2017) EM:Rap 17(11): 7-9

Skeletal X-ray of elbow and forearm (C0203238)

Concepts Diagnostic Procedure (T060)
ICD9 88.22
ICD10 57512-01
SnomedCT 70780000
English Skel xray-elbow/forearm, Radiography of elbow and forearm, Skeletal X-ray of elbow and forearm, Skeletal X-ray of elbow and forearm (procedure), Skeletal x-ray of elbow and forearm
Spanish radiografía esquelética del codo y el antebrazo (procedimiento), radiografía esquelética del codo y el antebrazo
Derived from the NIH UMLS (Unified Medical Language System)

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