Catalog

Gastrointestinal stromal tumour of colon

No MMS code

Link to WHO Definition

Gastrointestinal stromal tumour of colon – http://id.who.int/icd/entity/1833564548

This is a malignant mesenchymal tumour that arises from cells lining the large intestine. It is generally immunohitochemically positive for KIT (CD117), phenotypically paralleling Cajal-cell differentiation, and most examples contain KIT- or PDGFRA-activating mutations.