Title: Kohler's disease<br/>Author: Brian Corwell<br/><a href='http://umem.org/profiles/faculty/294/'>[Click to email author]</a><hr/><p>
<strong>Kohler’s disease</strong></p>
<p>
Osteonecrosis of the tarsal navicular bone</p>
<p>
Affects children ages 4 to 7</p>
<p>
4x more likely in males</p>
<p>
Can be painless or present with arch/midfoot pain and a limp (usually activity related)</p>
<p>
Usually unilateral but can be bilateral (in up to 25%)</p>
<p>
<strong>PE:</strong> Tenderness to palpation over the length of the arch esp the medial navicular</p>
<p>
Swelling, warmth, redness</p>
<p>
-Can be misdiagnosed as an infection</p>
<p>
X-ray: Sclerosis, collapse/flattening or fragmentation of navicular</p>
<p>
<strong>Treatment:</strong> Walking boot or short leg cast</p>
<p>
<a href="http://www.texasfootdoctor.org/images/kohlers%20xray.jpg">http://www.texasfootdoctor.org/images/kohlers%20xray.jpg</a></p>
<p>
</p>