19q

1p/19q Codeletion: Definition

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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Oligodendroglioma: Understanding Your Pathology Report

Oligodendroglioma is a type of brain tumor that develops from glial cells, the supporting cells of the central nervous system. It belongs to a larger group of tumors called diffuse gliomas. Diffuse gliomas are infiltrative, which means the tumor cells spread into the normal brain tissue around them and cannot be fully separated from it …
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