Mycosis fungoides (24.1): malignant T-lymphocytes (sometimes cerebriform) in spaces called Pautrier microabscesses. Stains such as CD45 (leukocyte common antigen, used for screening), CD4 (T-helper cells), and CD3 (pan-T cells) usually positive
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Open itsensitive) stains positive. Fontana melanin stain is also positive, but is less useful because keratinocytes may contain melanin transferred from melanocytes. Melanosomes by electron microscopy <span>Mycosis fungoides (24.1): malignant T-lymphocytes (sometimes cerebriform) in spaces called Pautrier microabscesses. Stains such as CD45 (leukocyte common antigen, used for screening), CD4 (T-helper cells), and CD3 (pan-T cells) usually positive Lymphomatoid papulosis (24.5): CD30 positive large atypical lymphocytes, and most smaller ones in the epidermis stain with T-cell markers Langerhans cell histiocytosis (24.18): malignanOriginal toplevel document (pdf)
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gss4 - (no access) - book_Practical-Dermatopathology.pdf, p23
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