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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