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We report the case of a 27-yr-old male with visual field loss who had a 4.9-cm complex cystic mass in the right occipital lobe. Histologic examination showed pilocytic astrocytoma (PA) with anaplasia, and molecular characterization revealed FGFR1 duplication with additional variants of unknown
After an initial benefit from tyrosine kinase inhibitors (TKI), most gastrointestinal stromal tumors (GISTs) eventually develop disease progression or secondary resistance. An altered tumor (immune)phenotype with anaplasia and morphological changes secondary to therapy have occasionally been
Positron emission tomography combined with computed tomography (PET/CT) enables assessment of not only anatomical and structural but also metabolic changes in tumor mass. 18F-fluoroethyl tyrosine (18F-FET) PET/CT is based on evaluation of transport of 18F-labeled tyrosine in tissues. We present a
Glioblastoma multiforme (GBM) remains the most devastating primary tumour in neuro-oncology. Targeting of the human epithelial receptor type 2 (HER2)-neu receptor by specific antibodies is a recent well-established therapy for breast tumours. Human epithelial receptor type 2/neu is a transmembrane
The anaplastic lymphoma kinase (ALK) gene has been found either rearranged or mutated in several neoplasms such as anaplastic large-cell lymphoma, non-small-cell lung cancer, neuroblastoma and anaplastic thyroid cancer. Medulloblastoma (MB) is an embryonic pediatric cancer arising from nervous
Glioblastoma multiform (GBM) remains the most devastating primary tumour in neuro-oncology. Human Epithelial Receptor Type 2 (HER2) is a transmembrane tyrosine/kinase receptor that is important for cancer growth. HER2 is not expressed in adult glial cells, but its expression increases with the
OBJECTIVE
This study was designed to investigate the biological and therapeutic significance of ERBB1, ERBB2, ERBB3, and ERBB4 in childhood ependymoma.
METHODS
The expression frequency and clinical significance of ERBB1-4 was analyzed in a large cohort of pediatric ependymoma (n = 121) using