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Pubic ramus radiolucencies in infants: the good, the bad, and the indeterminate

Jeannette M Perez-Rossello1, Susan A Connolly, Alice W Newton

  • 1Department of Radiology, Children's Hospital Boston, 300 Longwood Ave., Boston, MA 02115, USA. jeannette.perez-rossello@childrens.harvard.edu

AJR. American Journal of Roentgenology
|May 22, 2008
PubMed

Insights

Radiologists must carefully distinguish superior pubic ramus fractures from developmental variants in infants. A vertical radiolucency without other abuse indicators is likely a normal variant, not an injury.

Area of Science:

  • Pediatric radiology
  • Skeletal imaging
  • Child abuse detection

Background:

  • Inflicted skeletal injuries in infants can mimic normal developmental variations.
  • Accurate differentiation is crucial for appropriate medical and legal management.
  • The superior pubic ramus is a common site for both fractures and variants.

Purpose of the Study:

  • To identify imaging features distinguishing inflicted pubic ramus fractures from developmental variants.
  • To improve diagnostic accuracy in evaluating suspected infant abuse.

Main Methods:

  • Retrospective analysis of infant imaging studies.
  • Comparison of radiographic findings in abused versus healthy infants.
  • Focus on features of the superior pubic ramus.

Main Results:

  • Specific imaging characteristics can help differentiate fractures from variants.
  • A smoothly marginated vertical radiolucency alone is not indicative of a fracture.
  • Absence of other abuse-related findings is key.

Conclusions:

  • Radiographic differentiation between superior pubic ramus fractures and developmental variants is challenging.
  • Isolated vertical radiolucencies without other signs of abuse should not be presumed fractures.
  • Careful assessment of the complete imaging and clinical context is essential.
Abstract

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