Article Text

Download PDFPDF
Radiological “bone within a bone” appearance with atraumatic fractures
  1. T van den Broek1,
  2. S Bulk2,
  3. J E H Pruijs3,
  4. F J A Beek4
  1. 1
    Department of Pediatrics, University Medical Center, Utrecht, The Netherlands
  2. 2
    Department of Medical Genetics, University Medical Center, Utrecht, The Netherlands
  3. 3
    Department of Pediatric Orthopaedics, University Medical Center, Utrecht, The Netherlands
  4. 4
    Department of Pediatric Radiology, University Medical Center, Utrecht, The Netherlands
  1. Correspondence to Mr T van den Broek, University Medical Center Utrecht, Wilhelmina Children’s Hospital, Lundlaan 6 (Room KE 04.1331), 3584 EA Utrecht, The Netherlands; T.vandenbroek{at}

Statistics from

Request Permissions

If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.

Case report

A 6-year-old boy presented with progressive pain in the right groin for a couple of months. Physiotherapy was initially started because of no apparent trauma, but did not deliver any relief. An x-ray examination of the hip showed a Salter–Harris type 2 fracture of the femoral neck without any callus formation (fig 1). The medical history consisted of fractures in the hands and feet. On physical examination, a head circumference +2.5 standard deviations of the mean was noticed. Bone density was assessed by dual-energy x-ray absorptiometry scan and was 10 standard deviations above the mean for the patient’s age for both the lumbar spine and both hips. Radiographs …

View Full Text


  • Competing interests None.

  • Patient consent Parental/guardian consent obtained.

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