This is a rare lymphoma (<1% of non-Hodgkin lymphomas), which presents as subcutaneous nodules on the skin.
Immunophenotypic Expression Pattern
|
Marker
|
Comment
|
|
Positive (usually)
|
|
|
TIA-1
|
Positive
|
|
Positive
|
|
|
Perforin
|
Positive
|
|
Negative
|
|
|
βF1
|
Positive (alpha beta T-cell phenotype)
|
|
EBV (EBER)
|
Negative
|
Refernces
Hematopathology. [edited by] Jaffe, ES. 1st. ed. Elsevier, Inc. © 2011. pp. 294-95.