Abstract
The abnormal cell population in lymphomatoid papulosis was studied by immunohistochemistry, light and electron microscopy in five cases. It resulted in a comprehensive description of all the main variants within the abnormal cell population. In one of the cases an irreversible intracytoplasmic process in the abnormal lymphocytes made it possible to demonstrate the derivation of lymphomatoid cells with cerebriform nuclei resembling the mycosis cells in mycosis fungoides from large histiocyte-like cells resembling the Reed-Sternberg cells in Hodgkin's disease. Variable numbers of the abnormal cells expressed Ki-1 reactivity in all four cases tested and T-cell associated antigens in two cases.
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More From: Virchows Archiv B Cell Pathology Including Molecular Pathology
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