logo logo
Search: Organ site Search: Tumor / Syndrome
or
WHO Classification of Tumours
WHO Classification of Tumours of the Digestive System
Click for details
Bosman FT, Carneiro F, Hruban RH, Theise ND (Eds.)
WHO Classification of Tumours of the Digestive System.
4th Edition
International Agency for Research on Cancer: Lyon 2010





C18.1 - Appendix:
 
The number attached to each tumour is the ICD-O morphology code of the International Classification of Diseases for Oncology (ICD-O) [1] and the Systematized Nomenclature of Medicine (http://snomed.org).
/0 benign tumours
/1 unspecified, borderline or uncertain behaviour
/2 in situ carcinomas
/3 malignant tumours.

1. Fritz A, Percy C, Jack A, Shanmuragatnam K, Sobin LH, Parkin DM, Whelan S (Eds) International Classification of Diseases for Oncology. World Health Organization: Geneva 2000





Epithelial tumors
    Premalignant lesions
        8140/0 Adenoma, NOS
            8211/0 Tubular adenoma, NOS
            8261/0 Villous adenoma, NOS
            8263/0 Tubulovillous adenoma, NOS
        8148/0 Glandular intraepithelial neoplasia, low grade
        8148/2 Glandular intraepithelial neoplasia, high grade

    Serrated lesions
        8213/0 Sessile serrated adenoma/polyp
        8213/0 Traditional serrated adenoma

    Carcinoma
        8140/3 Adenocarcinoma, NOS
            8480/3 Mucinous adenocarcinoma
            8480/1 Low-grade appendiceal mucinous neoplasm
            8490/3 Signet ring cell carcinoma
        8020/3 Undifferentiated carcinoma

    Neuroendocrine neoplasms
        8240/3 Neuroendocrine tumor G1 (NET G1) / Carcinoid
        8249/3 Neuroendocrine tumor G2 (NET G2)
        8246/3 Neuroendocrine carcinoma, NOS
            8013/3 Large cell neuroendocrine carcinoma
            8041/3 Small cell neuroendocrine carcinoma
        8244/3 Mixed adenoneuroendocrine carcinoma
        8241/3 Enterochromaffin cell (EC), serotonin-producing neuroendocrine tumour (NET)
        8243/3 Goblet cell carcinoid
        8152/1 L cell, Glucagon-like peptide-producing and PP/PYY-producing NETs
        8245/1 Tubular carcinoid

Mesenchymal tumors
    8890/0 Leiomyoma, NOS
    8850/0 Lipoma, NOS
    9570/0 Neuroma, NOS
    9140/3 Kaposi sarcoma
    8890/3 Leiomyosarcoma, NOS

Secondary tumours
    Secondary tumours of the appendix