Elbow

Elbow, a-p X-ray

  1. Shaft of humerus
  2. Olecranon fossa, and coronoid fossa (superimposed)
  3. Lateral epicondyle
  4. Capitulum
  5. Humeroradial joint
  6. Head of radius
  7. Neck of radius
  8. Shaft of radius
  9. Medial supracondylar ridge
  10. Medial epicondyle
  11. Olecranon
  12. Trochlea
  13. Coronoid process
  14. Articular circumference of radius
  15. Radial tuberosity
  16. Shaft of ulna
cmp07-fig-5042
Elbow, lateral X-ray

  1. Capitulum
  2. Coronoid process
  3. Head of radius
  4. Articular fovea of radius
  5. Neck of radius
  6. Radial tuberosity
  7. Shaft of radius
  8. Shaft of ulna
  9. Shaft of humerus
  10. Medial supracondylar ridge
  11. Olecranon fossa
  12. Medial epicondyle
  13. Coronoid fossa
  14. Trochlea
  15. Humero-ulnar joint
  16. Olecranon
cmp07-fig-5043cmp07-fig-5044

Scout views of elbow

Lines #1–9 indicate planes of sectioning in the following axial MR series. Interpretation of the scout images can be found in the sagittal series, page 73–74, image #1 and #3.
Note that the radial artery in this series has branched off from the brachial artery before reaching the cubital fossa. The frequency of this variation is about 15%. The artery termed “brachial artery” below might as well be termed “ulnar artery”. However, it takes up the position of the brachial artery.
The forearm is pronated.
cmp07-fig-5045
Elbow, axial MR

  1. Cephalic vein →
  2. Brachioradialis →
  3. Radial nerve, superficial branch →
  4. Radial nerve, deep branch →
  5. Extensor carpi radialis longus →
  6. Humerus →
  7. Triceps brachii, muscle and tendon →
  8. Biceps brachii →
  9. Radial artery (high division) with comitant veins →
  10. Median cubital vein →
  11. Median nerve →
  12. Brachial artery with comitant veins →
  13. Basilic vein →
  14. Pronator teres (humeral head) →
  15. Brachialis muscle →
  16. Ulnar nerve →
cmp07-fig-5046cmp07-fig-5047

Elbow, axial MR

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Dec 20, 2015 | Posted by in PEDIATRIC IMAGING | Comments Off on Elbow

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