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Abstract
The authors applied a battery of monoclonal antibodies to T cells and other hematolymphoid cells on frozen tissue sections of lymph nodes with involvement by MF and DL, both with and without a history of MF. All 13 lymph nodes showing histologic involvement with MF showed immunophenotypic abnormalities. All of these cases showed significant loss of Leu-9 expression, and 10 cases showed significant loss of Leu-8 expression. In addition, occasional cases showed loss of the pan-T-cell markers Leu-1, 4, and 5. All cases of DL of histologic grade LN-0 or 1, with or without a history of MF, showed a predominance of T helper cells in paracortical regions without evidence of immunophenotypic abnormalities. Three of the 4 cases of DL of histologic grade LN-2 or 3 showed significant loss of Leu-8 and/or Leu-9 expression identified by a decrease in the ratio of paracortical Leu-8/Leu-4 or Leu-9/Leu-4-expressing cells, all cases with a history of possible or definite MF. These results raise the possibility that the immunologic methods employed may be able to identify cases of DL with early involvement by MF.
View details for Web of Science ID A1985APF0400002
View details for PubMedID 3161334