Halberd pelvis

Changed by Daniel J Bell, 6 Jan 2020

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AHalberd halberd pelvis refers to a pathognomonic appearance of the pelvis seen in metatropic dysplasia, a rare form of spondyloepimetaphyseal dysplasia.

  • hypoplastic ilia with narrow sacrosciatic notches
  • horizontal acetabular roofs with small associated notches superior to their lateral borders
  • prominent flaring of crescentic iliac wings

History and etymology

The appearance is thought to resemble a halberd, a two-handed pole weapon that was in popular use in central Europe from the 14th to 16th centuries. The halberd comprises an almost 2 metre long shaft, ending in a lengthened spiked head. Before the spike is the blade of an axe, with an opposed hook-like pick. It remains the ceremonial weapon of the Swiss Guard in the Vatican, the pope's bodyguard 1,2.

  • -<p><strong>Halberd pelvis</strong> refers to a <a href="/articles/pathognomonic">pathognomonic</a> appearance of the <a href="/articles/pelvis-1">pelvis</a> seen in <a href="/articles/metatropic-dysplasia-1">metatropic dysplasia</a>, a rare form of <a href="/articles/spondyloepimetaphyseal-dysplasia">spondyloepimetaphyseal dysplasia</a>.</p><ul>
  • +<p>A<strong> halberd pelvis</strong> refers to a <a href="/articles/pathognomonic">pathognomonic</a> appearance of the <a href="/articles/pelvis-1">pelvis</a> seen in <a href="/articles/metatropic-dysplasia-1">metatropic dysplasia</a>, a rare form of <a href="/articles/spondyloepimetaphyseal-dysplasia">spondyloepimetaphyseal dysplasia</a>.</p><ul>
  • -</ul><h4>History and etymology</h4><p>The appearance is thought to resemble a halberd, a two-handed pole weapon that was in popular use in central Europe from the 14th to 16th centuries. The halberd comprises an almost 2 metre long shaft, ending in a lengthened spiked head. Before the spike is the blade of an axe, with an opposed hook-like pick. It remains the ceremonial weapon of the Swiss Guard in the Vatican, the pope's bodyguard <sup>1,2</sup>. </p>
  • +</ul><h4>History and etymology</h4><p>The appearance is thought to resemble a halberd, a two-handed pole weapon that was in popular use in central Europe from the 14th to 16th centuries. The halberd comprises an almost 2 metre long shaft, ending in a lengthened spiked head. Before the spike is the blade of an axe, with an opposed hook-like pick. It remains the ceremonial weapon of the Swiss Guard in the Vatican, the pope's bodyguard <sup>1,2</sup>.</p>

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  • cases

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