Expression of Thymidine Phosphorylase in Lymph Nodes Involved with Mycosis Fungoides and Sézary Syndrome

Table 1

Thymidine phosphorylase immunohistochemical stain (cytoplasmic/nuclear).

	Small lymphocytes	Neoplastic cells	Macrophages and dendritic cells	Endothelial cells
Benign LN	Negative	N/A	Positive	Positive
MF-LN	Negative	Positive	Positive	Positive

LN: lymph nodes; MF-LN: lymph nodes involved with mycosis fungoides or Sézary syndrome.