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Physiologic periosteal changes in infancy

J Plunkett1, M Plunkett

  • 1Department of Pathology, Regina Medical Center, Hastings, Minnesota 55033, USA.

The American Journal of Forensic Medicine and Pathology
|September 16, 2000
PubMed

Insights

Physiologic bone growth in infants can mimic trauma on X-rays. Understanding normal bone remodeling helps differentiate it from healing and repair in infants.

Area of Science:

  • Pediatric Radiology
  • Orthopedic Pathology
  • Developmental Biology

Background:

  • Bone remodeling is a continuous process crucial for skeletal development and adaptation.
  • Radiographic assessment of infant bone is challenging due to rapid growth and overlapping features.
  • Distinguishing normal bone changes from traumatic injuries is critical for accurate diagnosis.

Observation:

  • Infantile bone exhibits unique surface modulation during normal growth.
  • These remodeling patterns can present radiologically similar to post-traumatic changes.
  • Pathologic examination reveals distinct characteristics of normal versus injured bone.

Findings:

  • Normal bone remodeling in infants involves specific periosteal and endosteal responses.
  • Radiologic features of physiological bone growth include smooth, continuous periosteal apposition.
  • Histopathological analysis confirms the benign nature of normal remodeling versus reactive bone formation in healing.

Implications:

  • Accurate differentiation prevents misdiagnosis of non-accidental trauma in infants.
  • Improved understanding aids radiologists and clinicians in interpreting infant skeletal imaging.
  • Establishes imaging and pathological criteria for normal postnatal bone development.

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