FLT3-Internal Tandem Duplication High Allelic Ratio

**Semantic type:** Laboratory or Test Result

**Definition:** A molecular genetic finding in acute myeloid leukemias indicating that FLT3-internal tandem duplication (FLT3-ITD) is the dominant lesion, and which is present in the majority or all of the leukemic cells.

**Synonyms:** - FLT3-ITD High Allelic Ratio - FLT3-Internal Tandem Duplication Amplification - FLT3-Internal Tandem Duplication Amplification - FLT3/ITD High Allelic Ratio