1p

What is 1p/19q codeletion?

1p/19q codeletion is a specific type of genetic change found in a kind of brain tumor called oligodendroglioma. The term “1p/19q codeletion” means that a tumor cell has lost part of two chromosomes—the short arm of chromosome 1 (called 1p) and the long arm of chromosome 19 (called 19q). This genetic change helps pathologists confirm …
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Your pathology report for oligodendroglioma

Oligodendroglioma is a type of brain tumour that starts in glial cells, the supporting cells of the brain. It is considered a diffuse glioma, meaning the tumour tends to spread into the surrounding brain tissue. Two specific genetic features define this type of tumour: A mutation in the IDH1 or IDH2 gene. Loss (codeletion) of …
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