University of Groningen Markers of fibroblast-rich tumor stroma and perivascular cells in serous ovarian cancer Corvigno,

Interand intra-patient variations in tumor microenvironment of serous ovarian cancer are largely unexplored. We aimed to explore potential co-regulation of tumor stroma characteristics, analyze their concordance in primary and metastatic lesions, and study their impact on survival. A tissue microarray (TMA) with 186 tumors and 91 matched metastases was subjected to immunohistochemistry double staining with endothelial cell marker CD34 and fibroblast and pericyte markers a-SMA, PDGFβR and desmin. Images were digitally analyzed to yield “metrics” related to vasculature and

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