Preferred Label : Low-grade appendiceal mucinous neoplasm;
ICD-11 definition : A mucinous neoplasm of the appendix of uncertain malignant potential. It has bland
cytological characteristics and lacks clear-cut destructive invasive growth. It can
bluntly penetrate the appendiceal wall and spread beyond the appendix causing a low-grade
form of pseudomyxoma peritonei.;
ICD-11 synonym : Borderline mucinous neoplasm of the appendix;
Origin ID : 226491798;
Manual NTBT mappings (CISMeF)
Validated automatic mappings to BTNT
A mucinous neoplasm of the appendix of uncertain malignant potential. It has bland
cytological characteristics and lacks clear-cut destructive invasive growth. It can
bluntly penetrate the appendiceal wall and spread beyond the appendix causing a low-grade
form of pseudomyxoma peritonei.