EURORAD ESR

Case 14823

Benign cyst-like posttraumatic cortical lesion in children

Author(s)
D'Hoore Tom, Ramboer Kristof

General Hospital Sint-Lucas Bruges,
Belgium
 
Patient
female, 7 year(s)
 
 
  • Figure 1
    Conventional radiograph of the right wrist
     

    A sharply defined lucent area is seen in the distal radial diaphysis

     
    Area of Interest: Musculoskeletal bone; Paediatric; Trauma; Imaging Technique: Conventional radiography; Procedure: Screening; Special Focus: Cysts; Trauma;

    The lucency is located at the posterior surface of the distal radius. There is an early subperiosteal reaction visible.

     
    Area of Interest: Musculoskeletal bone; Paediatric; Trauma; Imaging Technique: Conventional radiography; Procedure: Screening; Special Focus: Cysts; Trauma;
     
     
  • Figure 2
    Low dose CT scan
     

    Axial plane. Oval-shaped cortical defect at the posterior surface with fatty density -130 HU. The density is similar to the density measured in the medullar cavity -141 HU.

     
    Area of Interest: Musculoskeletal bone; Musculoskeletal system; Paediatric; Imaging Technique: CT; Procedure: Diagnostic procedure; Special Focus: Trauma;

    Sagittal plane. The early periosteal reaction covers the cortical defect.

     
    Area of Interest: Musculoskeletal bone; Paediatric; Trauma; Imaging Technique: CT; Procedure: Diagnostic procedure; Special Focus: Trauma;
     
     
A sharply defined lucent area is seen in the distal radial diaphysis
 
The lucency is located at the posterior surface of the distal radius. There is an early subperiosteal reaction visible.
 
Axial plane. Oval-shaped cortical defect at the posterior surface with fatty density -130 HU. The density is similar to the density measured in the medullar cavity -141 HU.
 
Sagittal plane. The early periosteal reaction covers the cortical defect.
 
 
 
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