title: Mucinous neoplasms of the appendix: a current comprehensive clinicopathologic and imaging review.
abstract: 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.
authors: Department of Radiology, Montreal General Hospital, McGill University Health Center, 1645 Avenue Cedar, Montreal, Quebec, H3G 1A4, Canada.
authors: Sree Harsha
authors: SH
authors: Tirumani
authors: Margaret
authors: M
authors: Fraser-Hill
authors: Rebecca
authors: R
authors: Auer
authors: Wael
authors: W
authors: Shabana
authors: Cynthia
authors: C
authors: Walsh
authors: Frank
authors: F
authors: Lee
authors: John G
authors: JG
authors: Ryan
mesh_terms: D002288:Adenocarcinoma, Mucinous / Q000000981:diagnostic imaging / Q000473:pathology*; D001063:Appendiceal Neoplasms / Q000000981:diagnostic imaging / Q000473:pathology*; D003937:Diagnosis, Differential; D006801:Humans; D008279:Magnetic Resonance Imaging; D061330:Multidetector Computed Tomography; D010534:Peritoneal Neoplasms / Q000175:diagnosis / Q000473:pathology*; D011379:Prognosis; D011553:Pseudomyxoma Peritonei / Q000175:diagnosis / Q000473:pathology*; D014463:Ultrasonography