t(5;12)(q33;p13)

**Semantic type:** Cell or Molecular Dysfunction

**Definition:** A chromosomal translocation involving breakpoints within the q33 band on the long arm of chromosome 5 and the p13 band on the short arm of chromosome 12. This rearrangement is rare and may be associated with expression of various fusion genes (including ATF7IP-PDGFRB, ERC1-PDGFRB, ETV6-EBF1 and ETV6-PDGFRB) and myeloproliferative disorders.