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  • Title: Intravascular B-cell lymphoma.
    Author: Erös N, Károlyi Z, Kovács A, Takács I, Radványi G, Kelényi G.
    Journal: J Am Acad Dermatol; 2002 Nov; 47(5 Suppl):S260-2. PubMed ID: 12399744.
    Abstract:
    Intravascular (angiotropic) lymphoma is a unique and rare cutaneous lymphoma in which the malignant T or B lymphoid cells proliferate within the lumens of small blood vessels, primarily in the skin and central nervous system. Erythematous, tender nodules, tumors, and telangiectases are the most common skin symptoms in addition to various neurologic signs. Progression of the disease produces secondary organ involvement with variable symptoms and can be fatal. We describe a case of a 74-year-old woman with edematous, infiltrated, orange-like skin with multiple telangiectases, generalized edema, severe weakness, and extremely high values of lactate dehydrogenase. Skin biopsy specimens revealed atypical large cells filling up the lumens of dermal capillaries. Immunohistochemical investigation results identified them as B cells with CD20, CD45, CD79a, Ki-67, and HLA-DR positivity. After administration of diuretics, colchicine, and systemic PUVA therapy, the patient lost her edema, her skin became tender and free of telangiectases, and laboratory alterations normalized. Because of heavy neuralgia in her legs, oral monochemotherapy was introduced with chlorambucil, and now the patient is in remission.
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