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Patterns of cytokeratin expression by neoplastic and non-neoplastic epithelium

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Abstract

Eighty-one epithelial lesions were studied immunohistologically for cytokeratin protein expression using three anticytokeratins CAM 5.2, NCL5D3 and RCK102. Consistent differences were noted between squamous and glandular neoplasms. Squamous and cutaneous carcinomas were found to preferentially express higher molecular weight cytokeratins than adenocarcinomas.

In addition, tumours of similar morphology from different sites showed differences in expression of these markers. Differences in pattern were also found between benign and malignant lesions in the case of liver and urinary bladder. Thus the value of cytokeratin profile analysis in characterisation of epithelial neoplasms is confirmed and may be useful in distinguishing benign from malignant tumours in some instances.

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Author notes

  1. G. Mortimer

    Present address: Department of histopathology, University college hospital, Galway, Ireland

Authors and Affiliations

  1. Department of pathology, University college hospital, Galway

    G. Mortimer, D. N. Jones, H. Assaf & T. Al-Ahmadi

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  1. G. Mortimer
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  2. D. N. Jones
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  3. H. Assaf
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  4. T. Al-Ahmadi
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Mortimer, G., Jones, D.N., Assaf, H. et al. Patterns of cytokeratin expression by neoplastic and non-neoplastic epithelium. I.J.M.S. 162, 77–81 (1993). https://doi.org/10.1007/BF02942094

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