Amplification of the epidermal growth factor receptor in astrocytic tumours by chromogenic <i>in situ</i> hybridization: association with clinicopathological features and patient survival

Abstract excerpt

Chromogenic in situ hybridization (CISH) was used to detect amplification of the epidermal growth factor receptor (EGFR) gene in tissue microarrays of tumours derived from 287 patients with grade II-IV diffuse astrocytomas. Amplification was found in 32% of the tumours with a highly significant association with histological grade (4% in grade II, 21% in grade III and 39% in grade IV; P < 0.001). Amplification of...

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