PMC4891629_01
60-year-old man with goblet cell carcinoid. CT at presentation shows enlarged distal appendix containing a 1.8 x 3.8 cm cystic lesion (Hounsfield unit of 10, consistent with fluid) (thick arrow). The thin arrow in A indicates normal collapsed terminal ileum. [Powerpoint Slide]
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A CT study showed an enlarged distal appendix with a 1.8 x 3.8 cm fluid-like or cystic lesion with mild mural thickening (Figure 1A, Figure 1B).
60-year-old man with goblet cell carcinoid. Mild mural thickening around the cystic lesion and in the more proximal appendix (arrowheads) are present. [Powerpoint Slide]
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The patient had a normal appendix on a CT exam obtained approximately one and a half year before (Fig. 2).
60-year-old man with goblet cell carcinoid. CT study approximately 1.5 years before presentation shows normal appendix, without evidence of inflammation or focal mass lesion. [Powerpoint Slide]
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Pathologic examination showed features of goblet cell carcinoid (Figure 3A, Figure 3B) with transmural extension into the mesoappendiceal adipose tissue with perineural and intravascular involvement of the mesoappendiceal adipose tissue and subserosa.