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  • Title: Cutaneous intravascular NK-cell lymphoma: report of a rare variant associated with Epstein-Barr virus.
    Author: Kuo TT, Chen MJ, Kuo MC.
    Journal: Am J Surg Pathol; 2006 Sep; 30(9):1197-201. PubMed ID: 16931967.
    Abstract:
    Intravascular lymphoma (IVL) is a rare variant of non-Hodgkin lymphoma with a predilection for skin and brain. Except a few cases of T-cell lineage, most of the reported cases were large B-cell lymphomas. We encountered a case of cutaneous IVL in a 71-year-old woman presenting with multiple erythematous patches and nodules on her trunk and extremities. The intravascular large cells showed an immunophenotype of CD3epsilon(+);, CD5(-), CD20(-), CD30(-), CD56(+), and TIA-1(+). The lymphoma cells were also positive for Epstein-Barr virus by Epstein-Barr virus-encoded RNA in situ hybridization test and the T-cell receptor gene was germline. This IVL differs from nasal type NK/T-cell lymphoma only by its intravascular nature. Only 3 cases of intravascular NK-cell lymphoma have been reported before. Because this variant is extremely rare, our case is documented and compared with the 3 previously reported cases.
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