Fig. 5From: Establishment and characterization of patient-derived head and neck cancer models from surgical specimens and endoscopic biopsiesIntratumoral heterogeneity. HE staining of two individual PDX from case HNSCC13. Both PDX models preserve keratinization of the patient tumor. While HNSCC13 P0 M1 had strong keratinization, the corresponding PDX HNCCC13 P0 M2 had only few keratinizing areasBack to article page