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Colorectal Dis. 2019 Sep 8. doi: 10.1111/codi.14847. [Epub ahead of print]

What is a 'mucocele' of the appendix and how are these lesions best managed? Beware the wolf in sheep's clothing.

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Peritoneal Malignancy Institute, Basingstoke and North Hampshire Hospital, Hampshire Hospitals National Health Service Foundation Trust, Basingstoke, Hampshire, United Kingdom.


"Mucocele of the appendix" is not a single pathologic entity and this term is frequently used, both radiologically and clinically, to describe a distended appendix containing mucus. Although a "true mucocele" may originate from appendiceal luminal obstruction secondary to degenerative epithelial changes (e.g. appendicitis or from a faecolith), we believe that this entity is uncommon, and we propose that all "mucoceles of the appendix" should be considered, and managed, as pathological entities that may harbour a mucinous appendiceal neoplasm. This article is protected by copyright. All rights reserved.


appendiceal; incidental; pseudomyxoma peritonei


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