66. • THE LIGHT BULB SIGN REFERS TO THE ABNORMAL AP RADIOGRAPH APPEARANCE OF THE
HUMERAL HEAD IN POSTERIOR SHOULDER DISLOCATION. WHEN THE HUMERUS
DISLOCATES IT ALSO INTERNALLY ROTATES SUCH THAT THE HEAD CONTOUR PROJECTS
LIKE A LIGHT BULB WHEN VIEWED FROM THE FRONT
73. • WHEN DESCRIBING FRACTURES THE FOLLOWING SHOULD BE ACTIVELY ASSESSED FOR:
• BONE(S) INVOLVED AND SPECIFIC PART
• TYPE OF FRACTURE, E.G. COMPLETE VS. INCOMPLETE
• MORPHOLOGY OF FRACTURE
• E.G. TRANSVERSE, OBLIQUE, SPIRAL, ETC
• ANY COMMINUTION
• COMMENT ON DISPLACEMENT, ANGULATION AND IMPACTION
74.
75. Transverse midshaft humeral fracture with
medial displacement and anteromedial
angulation of the distal fracture fragment.
Minimal impaction.
Patient Data
Age: 65
Gender: Female
FALL ONTO
ELBOW
AP VIEW