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BACKGROUND The epidermal growth factor receptor (EGFR) is over-expressed in 70-75% of colorectal adenocarcinomas (CRC). The anti-EGFR monoclonal antibody cetuximab has been approved for the treatment of metastatic CRC, however tumor response to cetuximab has not been found to be associated with EGFR over-expression by immunohistochemistry (IHC). The aim of(More)
1 Stout AP, Murray MR. Haemangiopericytoma: a vascular tumour featuring Zimmerman's pericytes. Ann Surg 1942;116:26-33. 2 Bailey PV, Weber TR, Tracy TF, et al Congenital haemangiopericytoma: An unusual vascular neoplasm of infancy. Surgery 1993;114:936-41. 3 Depowski M, Maciejewski Z. Przypadek wrodzonego haemangiopericytoma oczodolu. [Congenital idiopathic(More)
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