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Appendicolith Revealed on CT in Children with Suspected Appendicitis

How Specific Is It in the Diagnosis of Appendicitis?

Lisa H. Lowe1, Michael W. Penney1, Luis E. Scheker2, Ramiro Perez, Jr.2, Sharon M. Stein1, Richard M. Heller1, Yu Shyr3 and Marta Hernanz-Schulman1

1 Department of Radiology and Radiological Sciences, Vanderbilt University Children's Hospital and Medical Center, D-1120 Medical Center North, Nashville, TN 37232-2675.
2 School of Medicine, Meharry Medical College, 1005 D.B. Todd Jr. Blvd., Nashville, TN 37208.
3 Department of Biostatistics, Vanderbilt University Children's Hospital and Medical Center, Nashville, TN 37232.



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  		Fig. 1. —8-year-old girl with abdominal pain, appendicolith, and appendicitis. Unenhanced CT scan shows enlarged appendix (arrow). Note associated appendicolith (arrowhead) and surrounding periappendiceal inflammation.

 


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  		Fig. 2. —6-year-old boy with abdominal pain, appendicolith, and no appendicitis. Unenhanced CT scan reveals normal appendix containing small appendicolith (arrow). No periappendiceal inflammation or appendiceal dilatation is present.

 


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  		Fig. 3. —2-year-old girl who was examined for trauma had appendicolith and no appendicitis. CT scan with IV contrast material and no oral contrast material reveals normal appendix containing appendicolith (arrow). No periappendiceal inflammation or appendiceal dilatation is seen. Note superior aspect of bladder (B) medial to appendix.

 

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