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Immunohistochemical characterization of histiocytic tumours.

P. Meister, W. Nathrath

Open publisher page 33 citations

Abstract

Immunohistochemical labelling of histiocytic tumour cells in formalin-fixed paraffin-embedded material was usefully applied to malignant fibrous histiocytoma (MFH) and to malignant histiocytosis (MH). Not all cases of MFH showed a positive reaction, in contrast with the obligatory positive staining in MH. In general, histiocytic tumour cells stained more intensively with alpha 1-antichymotrypsin than with lysozyme. False positive results can be due to intermingled non-neoplastic histiocytes or degenerating neoplastic cells in any mesenchymal tumour.

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What this paper is about

Immunohistochemical labelling of histiocytic tumour cells in formalin-fixed paraffin-embedded material was usefully applied to malignant fibrous histiocytoma (MFH) and to malignant histiocytosis (MH). Not all cases of MFH showed a positive reaction, in contrast with the obligatory positive staining in MH. In general, histiocytic tumour cells stained more intensively with alpha 1-antichymotrypsin than with lysozyme. False positive results can be due to intermingled non-neoplastic histiocytes or degenerating neoplastic cells in any mesenchymal tumour.

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Available abstract

Immunohistochemical labelling of histiocytic tumour cells in formalin-fixed paraffin-embedded material was usefully applied to malignant fibrous histiocytoma (MFH) and to malignant histiocytosis (MH). Not all cases of MFH showed a positive reaction, in contrast with the obligatory positive staining in MH. In general, histiocytic tumour cells stained more intensively with alpha 1-antichymotrypsin than with lysozyme. False positive results can be due to intermingled non-neoplastic histiocytes or degenerating neoplastic cells in any mesenchymal tumour.

Key concepts: Histiocyte, Immunohistochemistry, Pathology, Histiocytic sarcoma, Malignant histiocytosis, Staining, Histiocytosis, Biology

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