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Pathologe. 2012 Feb;33(1):24-30. doi: 10.1007/s00292-011-1542-z.

[Mucinous neoplasms of the vermiform appendix, Pseudomyxoma peritonei, and the new WHO classification].

[Article in German]

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Pathologisches Institut, Ludwig-Maximilians-Universität München, Thalkirchner Str. 36, 80337, München, Deutschland.


Mucinous neoplasms of the appendix are rare tumors, some of them characterized by an enigmatic discrepancy between a benign morphologic appearance and an aggressive biologic potential, associated with a poor prognosis and high mortality. The clinical picture of pseudomyxoma peritonei is, with few exceptions, caused by mucinous appendiceal neoplasms and differs in many aspects from usual peritoneal carcinomatosis. The controversy regarding terminology, diagnostic criteria, classification and therapy of these tumors has lasted for decades. The revised edition of the World Health Organization Classification of Tumors of the Digestive System proposes a uniform reporting system for mucinous appendiceal neoplasms and the peritoneal disease associated with it, thereby creating a comparable basis for pathological diagnosis, clinical therapy and further scientific studies.

[Indexed for MEDLINE]

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