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

Myositis Ossificans and Heterotopic Ossification

Soft Tissue Trauma

A 22-year-old rugby player presents 6 weeks after a direct blow to his anterior thigh. He reports a firm, painful mass with restricted knee flexion. Plain radiographs show a calcified mass within the quadriceps muscle with a characteristic zonal pattern of peripheral calcification denser than the centre. Regarding myositis ossificans:

Mark each as TRUE or FALSE

A

Myositis ossificans traumatica typically develops 2-4 weeks after injury and demonstrates a characte...

B

The most common locations are the quadriceps (following direct trauma), brachialis (following elbow ...

C

Early surgical excision within the first 6 weeks is recommended to prevent further bone formation; r...

D

Triple-phase bone scan shows increased uptake in all three phases during the active inflammatory pha...

E

Prophylaxis options include NSAIDs (indomethacin 75mg daily for 6 weeks) or single-fraction radiothe...

Answer the questions to see explanations

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