Appendicolith
Updates to Article Attributes
An appendicolith is a calcified deposit within the appendix. They are present in a large number of children with acute appendicitis and may be an incidental finding on an abdominal radiograph or CT. Incidence may be increased among patients with a retrocaecal appendix.
Pathology
Although the cause of appendicolith formation is uncertain, some case reports have mentioned an ingested foreign body or a dislodged gallstone eroding through the gallbladder as possible etiologies.
Radiographic features
AnIf identified on ultrasound, an appendicolith will appear cast an acoustic shadow at ultrasound examination and usually appears as a calcified nodule on an. On abdominal radiograph or CT examination, a high attenuation stone may be seen in the right iliac fossa. Up CT is more sensitive than plain film. Up to 25% show laminated calcification.
-<p>An <strong>appendicolith</strong> is a calcified deposit within the <a href="/articles/appendix">appendix</a>. They are present in a large number of children with <a href="/articles/acute-appendicitis">acute appendicitis</a> and may be an incidental finding on an abdominal radiograph or CT. Incidence may be increased among patients with a <a href="/articles/retrocaecal-appendix">retrocaecal appendix</a>.</p><h4>Pathology</h4><p>Although the cause of appendicolith formation is uncertain, some case reports have mentioned an ingested foreign body or a dislodged gallstone eroding through the gallbladder as possible etiologies. </p><h4>Radiographic features</h4><p>An appendicolith will cast an acoustic shadow at ultrasound examination and usually appears as a calcified nodule on an abdominal radiograph or CT examination. Up to 25% show laminated calcification.</p>- +<p>An <strong>appendicolith</strong> is a calcified deposit within the <a href="/articles/appendix">appendix</a>. They are present in a large number of children with <a href="/articles/acute-appendicitis">acute appendicitis</a> and may be an incidental finding on an abdominal radiograph or CT. Incidence may be increased among patients with a <a href="/articles/retrocaecal-appendix">retrocaecal appendix</a>.</p><h4>Pathology</h4><p>Although the cause of appendicolith formation is uncertain, some case reports have mentioned an ingested foreign body or a dislodged gallstone eroding through the gallbladder as possible etiologies. </p><h4>Radiographic features</h4><p>If identified on ultrasound, an appendicolith will appear cast an <a title="Acoustic shadowing" href="/articles/acoustic-shadowing">acoustic shadow</a>. On abdominal radiograph or CT, a high attenuation stone may be seen in the right iliac fossa. CT is more sensitive than plain film. Up to 25% show laminated calcification.</p>
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