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Updated: Aug 15, 2026
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Creating Rigidly Stabilized Fractures for Assessing Intramembranous Ossification, Distraction Osteogenesis, or Healing of Critical Sized Defects
Published on: April 11, 2012
[Anatermic separated epiphysis or avulsion fracture: image observation]
Feng Li1, Lei-ming Xu, Xing-fu Xie
1Longyou People' procuratorcate, Longyou 324400, China.
Fa Yi Xue Za Zhi
|November 2, 2005
Summary
Distinguishing avulsion fractures from separate epiphyses in tubular bones is crucial. Observing cortical continuity and soft tissue swelling aids in accurate diagnosis through imaging analysis.
Area of Science:
- Orthopedic surgery
- Pediatric orthopedics
- Radiology
Background:
- Avulsion fractures and separate epiphyses can present similarly in pediatric bone injuries.
- Accurate differentiation is vital for appropriate treatment and prognosis.
Purpose of the Study:
- To investigate imaging features for differentiating avulsion fractures from anatomic separate epiphyses in tubular bones.
- To establish a reliable approach for distinguishing these conditions.
Main Methods:
- Review of 21 cases with suspected avulsion fractures of the articular portion of tubular bones.
- Analysis of cortical continuity between the separate bone fragment and the parent bone.
- Assessment of soft tissue swelling around the fragment.
- Evaluation of fracture configuration based on injury mechanics.
Main Results:
- 15 cases showed continuous bone cortex, indicating anatomic separate epiphyses.
- 6 cases exhibited sharp linear fractures, suggestive of avulsion fractures.
- Soft tissue swelling was present in all cases, a common finding in avulsion fractures.
Conclusions:
- Meticulous imaging observation of small articular bone fragments is key.
- Distinguishing avulsion fractures from anatomic separate epiphyses relies on assessing cortical continuity and fracture morphology.
- This approach enhances diagnostic accuracy in pediatric bone injuries.
