19th February 2024

A 76-year-old female has sustained a fall and had an injury on X-rays.

A 76-year-old female has sustained a fall and had an injury on X-rays. On examination, she has a noticeable wrist drop with weakness in forearm extension. She is unable to extend her wrist and fingers on examination. Reduced sensation is noted along the dorsal aspect of her lateral 3.5 digits and her hand.

Which of the following injuries could explain her clinical presentation?