Summary
With the direct and indirect immunofluorescence technique, deposits of immunoglobulins (predominantly IgG, less frequently IgA, IgM and IgD) and complement were demonstrated in lesional skin of patients with mycosis fungoides. The occurrence of these deposits proved to be related to the infiltrative stage of the disease. Immunoglobulin and complement deposits were not found in the premycotic stage of mycosis fungoides, but in the tumour stage a small number were demonstrable. In 2 patients with other forms of malignant reticulosis, i.e. Brill-Symmers' disease and lymphosarcoma such deposits could not be detected in the lesional skin.
The immunoglobulin and complement deposits were located in the walls of bloodvessels and scattered in the dermis.
The possible significance of the deposition of immunoglobulin and complement in the skin of patients suffering from mycosis fungoides is discussed.
Zusammenfassung
Immunglobuline (vorwiegend IgG, seltener IgA, IgM und IgD) sowie Complement wurden in der erkrankten Haut von Patienten mit Mycosis fungoides mit direktem und indirektem Immunfluorescenzverfahren nachgewiesen. Das Auftreten der Immunkomplexe zeigte sich im infiltrativen Stadium der Erkrankung. Immunglobulin- und Complementniederschläge fehlten im prämykotischen Stadium, während sie im Tumorstadium in geringer Menge nachweisbar wurden. Bei 2 Patienten, die an anderen Formen der malignen Reticulose (Brill-Symmers, Lymphosarkom) erkrankt waren, konnten keine Immunkomplexe nachgewiesen werden.
Immunglobulin und Complement befanden sich in den Gefäßwänden und in der Dermis verstreut.
Die Bedeutung von Immunglobulin- und Complementniederschlägen bei Mycosis fungoides wird besprochen.
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Lai A Fat, R.F.M., Cormane, R.H. Immunohistopathological observations in the skin of patients with mycosis fungoides. Arch. Derm. Res. 249, 349–355 (1974). https://doi.org/10.1007/BF00557895
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DOI: https://doi.org/10.1007/BF00557895