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. 2003 May 27;88(11):1746–1754. doi: 10.1038/sj.bjc.6600924

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Copyright © 2003 Cancer Research UK

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Immunocytochemical demonstration of CgA and NESP55 in a pancreatic endocrine tumour (EPT, malignant insulinoma). Chromogranin A antibodies gave a granular staining of all cytoplasm in tumour cells. NESP55 antibodies gave a cytoplasmic staining of tumour cells that was partly granular and concentrated to the perinuclear region. Indirect immunoperoxidase staining (EnVision+™).