Abstract
A dog with a lymphoproliferative disease resembling the Sézary syndrome variant of mycosis fungoides in man had large numbers of circulating morphologically abnormal lymphoid cells, multicentric cutaneous nodules and plaques, and extracutaneous involvement of lymph nodes and viscera. The presence of Pautrier's microabscesses, intracutaneous hyper-chromatic cells, and leukemic cells with convoluted nuclei distinguished the disease from other types of cutaneous lymphoma.
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