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Appendicitis-I: Introduction01:22

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Survival outcomes used to validate version 9 of the American Joint Committee on Cancer staging system for appendiceal cancer.

CA: a cancer journal for clinicians·2023
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High-Grade Appendiceal Mucinous Neoplasm: Clinicopathologic Findings in 35 Cases.

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Overall Survival is More Closely Associated with Peritoneal than Primary Appendiceal Pathological Grade in Pseudomyxoma Peritonei with Discordant Pathology.

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Complete pathological response after ceritinib for anaplastic lymphoma kinase-rearranged epithelioid peritoneal mesothelioma.

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Murine Appendectomy Model of Chronic Colitis Associated Colorectal Cancer by Precise Localization of Caecal Patch
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Updates in Appendix Pathology: The Precarious Cutting Edge.

Norman J Carr1

  • 1Peritoneal Malignancy Institute, Basingstoke and North Hampshire Hospital, Aldermaston Road, Basingstoke RG24 9NA, UK.

Surgical Pathology Clinics
|August 11, 2020
PubMed
Summary
This summary is machine-generated.

Accurate diagnosis of appendiceal tumors, including mucinous and nonmucinous adenocarcinomas, is crucial. New classifications aid consistent nomenclature for better patient management and research comparison.

Keywords:
Appendiceal neoplasiaAppendixGoblet cell adenocarcinomaGoblet cell carcinoidMucinous neoplasiaPseudomyxoma peritonei

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Area of Science:

  • Gastroenterology
  • Pathology
  • Oncology

Background:

  • Appendiceal tumors encompass a spectrum from benign to malignant, including mucinous and nonmucinous adenocarcinomas.
  • Accurate classification and nomenclature are essential for effective patient management and comparative research.
  • Distinguishing between various appendiceal neoplasms, such as serrated polyps and low-grade appendiceal mucinous neoplasm, is clinically important.

Purpose of the Study:

  • To highlight the importance of accurate diagnosis and nomenclature for appendiceal neoplasms.
  • To discuss the classification of mucinous appendiceal tumors and their distinction from other appendiceal lesions.
  • To emphasize the role of recent consensus guidelines and WHO classification in standardizing terminology.

Main Methods:

  • Review of current literature and classification systems for appendiceal neoplasms.
  • Analysis of diagnostic criteria for differentiating various types of appendiceal tumors.
  • Emphasis on the impact of updated nomenclature on clinical practice and research.

Main Results:

  • Mucinous appendiceal tumors include low-grade and high-grade appendiceal mucinous neoplasm and mucinous adenocarcinoma.
  • Nonmucinous adenocarcinomas are less common.
  • Serrated polyps and low-grade appendiceal mucinous neoplasm require careful differentiation, alongside recognition of goblet cell adenocarcinomas.

Conclusions:

  • Adoption of recent consensus guidelines and WHO classification promotes consistent nomenclature for appendiceal neoplasms.
  • Accurate diagnosis is vital for patient management and facilitates inter-center data comparison.
  • Standardized terminology improves the reliability of tumor registries and research outcomes.