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Dermatology. 2003;207(1):107-10.

Posttransplant CD30+ anaplastic large cell lymphoma with skin and lymph node involvement.

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Department of Pathology, Kantonsspital Aarau, Aarau, Switzerland.


Posttransplant (i.e. status with the transplant present) lymphoproliferative disorders (PTLD) are common conditions in transplant recipients. Most examples are of B cell origin, and CD30+ T cell PTLD are very rare. We report a CD30+ anaplastic large cell lymphoma (ALCL) in the skin of the right lower leg and in draining lymph nodes of the right inguinal region in an immunosuppressed 59-year-old male who had received a renal graft 9 years previously. Unlike the vast majority of PTLD, an incomplete T cell immunophenotype was observed, and there was evidence of T cell lineage at the genetic level reflected by a rearranged T cell receptor gamma gene. The neoplastic cells were non-reactive to the anaplastic lymphoma kinase (ALK) 1 protein. In addition, Epstein-Barr virus and human herpesvirus 8 sequences were absent. Arguments against a primary cutaneous ALCL, which is also ALK-1 negative, include systemic presentation at the time of initial diagnosis and immunoreactivity of the neoplastic cells to epithelial membrane antigen. Typically, our rare example of a posttransplantation systemic ALCL showed an aggressive behaviour and a poor response to both chemotherapy and local irradiation.

[Indexed for MEDLINE]

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