Journal
CANCER IMAGING
Volume 13, Issue 1, Pages 14-25Publisher
E-MED
DOI: 10.1102/1470-7330.2013.0003
Keywords
Mucinous neoplasms; appendix; WHO classification; pseudomyxoma peritonei; ultrasonography; multidetector computed tomography
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Mucinous neoplasms of the appendix are a heterogeneous group of neoplasms ranging from simple mucoceles to complex pseudomyxoma peritonei. Considerable controversy exists on their pathologic classification and nomenclature. Clear understanding of the histopathologic diversity of these neoplasms helps in establishing proper communication between the radiologist, the pathologist and the surgeon. In this article, we present a brief discussion of the current taxonomy and nomenclature of mucinous neoplasms of the appendix followed by a review of their imaging features. Important points including the significance of identifying extra-appendiceal mucin at imaging, the new classification of pseudomyxoma peritonei into low-and high-grade varieties and the significance of simultaneous ovarian and appendiceal neoplasms are highlighted.
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