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NAI: never actually injured
  1. David Kilgarriff,
  2. Sinead Brannick,
  3. Edwina Daly and
  4. Conor Ring
  1. Department of Paediatrics, Tallaght Hospital Library, Adelaide and Meath Hospital, Dublin, Ireland
  1. Correspondence to Dr David Kilgarriff; david.kilgarriff{at}


A female infant presented at 31 days of life following a head injury with concerning features for non-accidental injury. Examination revealed a noticeable depression in the left temporoparietal region with a concave depression of the left parietal bone on CT imaging. After careful consideration of the history and examination findings, along with standard investigations for non-accidental injury, the infant was diagnosed with faulty fetal packing (also known as congenital vault depression). The defect had almost completely resolved by follow-up at 5 months. This case represented a diagnostic conundrum not previously reported in the literature.

  • child abuse
  • paediatrics
  • congenital disorders

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  • Contributors Supervised by ED. Patient was under the care of ED. Report was written by DK and SB, with review and input from CR and ED.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; externally peer reviewed.