t(12;19)(q13;q13.3)

**Semantic type:** Cell or Molecular Dysfunction

**Definition:** A chromosomal translocation involving breakpoints within the q13 band on the long arm of chromosome 12 and the q13.3 band on the long arm of chromosome 19. This rearrangement is associated with intracranial and extracranial hemangiopericytoma and rarely in acute myeloid leukemia.