Skip to main content
OrthoVellum
Knowledge Hub

Study

  • Topics
  • MCQs
  • ISAWE
  • Operative Surgery
  • Flashcards

Company

  • About Us
  • Editorial Policy
  • Contact
  • FAQ
  • Blog

Legal

  • Terms of Service
  • Privacy Policy
  • Cookie Policy
  • Medical Disclaimer
  • Copyright & DMCA
  • Refund Policy

Support

  • Help Center
  • Accessibility
  • Report an Issue
OrthoVellum

© 2026 OrthoVellum. For educational purposes only.

Not affiliated with the Royal Australasian College of Surgeons.

Trauma
intermediate
X-Type

Transcondylar Fractures - Distal Humerus Low Fractures

Distal Humerus Fractures

An 82-year-old woman with osteoporosis falls at home, landing on her outstretched hand. She presents with a swollen, painful left elbow held in flexion. X-rays reveal a displaced intra-articular distal humerus fracture with involvement of both columns and the trochlea. The fracture line is at the level of the olecranon fossa, with significant comminution of the supracondylar region. The fracture is classified as AO/OTA type 13C3. Regarding the anatomy and classification of distal humerus fractures:

Mark each as TRUE or FALSE

A

The distal humerus has two columns (medial and lateral) that diverge from the humeral shaft forming ...

B

The AO/OTA classification for distal humerus fractures includes: Type A (extra-articular), Type B (p...

C

The distal humerus is solid bone throughout with no thin areas; the columns diverge at the wrist; th...

D

Transcondylar fractures are low distal humerus fractures at or below the level of the olecranon foss...

E

This patient's C3 fracture (complete articular with comminution) in an 82-year-old with osteoporosis...

Answer the questions to see explanations

Click T (True) or F (False) for each option