title: Hilgenreiner's line
text: # Hilgenreiner's line
  
  Hilgenreiner's line is a horizontal line drawn on an AP radiograph of the pelvis running between the inferior aspects of both triradiate cartilages of the acetabulums. It is named for Heinrich Hilgenreiner.
  
  ## Clinical Use
  
  Used in conjunction with Perkin's line or the acetabular angle, Hilgenreiner's line is useful in the diagnosis of developmental dysplasia of the hip.
  
  