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Appendicitis

Case contributed by: Dr Frank Gaillard

Presentation:

Right flank pain. Renal colic?

Patient Data:

Age: 30 years
Gender: Male
Race: Caucasian

CT KUB

Modality: CT

Non contrast CT KUB obtained to evaluate for renal stones demonstrates the appendix, located behind and lateral to the caecum (paracecal), with evidence of acute inflammation and a luminal faecolith at its base.  No renal or ureteric calculi. No free gas. 

Annotated images

Modality: Annotated image

Coronal and axial images demonstrate the appendix (blue dotted line) to be located to lateral to the caecum (green dotted line) with extensive surrounding fat stranding. At the neck of the appendix is a calcific density consistent with an appendicolith (orange arrow). 

Case Discussion:

This case illustrates how a less common location of the appendix (in this case paracecal) can result in atypical presentation which can mimic other pathologies. 

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