An Idic(7)(q11.2) Resulting in Two Copies of 7p and Deletion 7q: A Rare Cytogenetic Event in a Case of Acute Myeloid Leukemia.

A 67-year-old male patient was diagnosed with acute myeloid leukemia (AML) in April 2018. Chromosome analysis showed an abnormal male karyotype with an isodicentric chromosome 7q resulting in deletion 7q and two copies of 7p and a derivative chromosome 18 in 13 of the 20 metaphase cells examined. This karyotype was described as 46,XY,idic(7)(q11.