Primary cutaneous diffuse large B-cell lymphoma, leg type and secondary cutaneous involvement by testicular B-cell lymphoma share identical clinicopathological and immunophenotypical features - 14/03/12
Reprint requests: Octavio Servitje, MD, Department of Dermatology, Hospital Universitari de Bellvitge, C/Feixa Llarga s/n, L’ Hospitalet de Llobregat, 08907-Barcelona, Spain.Abstract |
Background |
Primary cutaneous diffuse large B-cell lymphoma (PCDLBCL), leg type can eventually disseminate to extracutaneous sites including testes. In addition, patients with testicular lymphoma can develop specific skin involvement.
Objective |
We sought to describe similarities between PCDLBCL, leg type and testicular B-cell lymphoma affecting the skin.
Methods |
We report two cases with typical clinicopathological and immunophenotypical features of leg type lymphoma occurring simultaneously with a testicular B-cell lymphoma. We also report an additional case of PCDLBCL, leg type with secondary testicular involvement.
Results |
All cases presented with typical red tumors exclusively located on the legs. Histologically, all cases showed a diffuse nonepidermotropic infiltrate composed of large blastic cells mainly centroblastic type. Phenotype showed strong positivity for Bcl-2, MUM-1, and FOXP1. Epstein-Barr virus stains and CD30 were negative in the 3 cases. In all cases the testicular infiltration showed the same pathological and phenotypical changes to those observed in the skin.
Limitations |
This was a retrospective case series study.
Conclusion |
Skin involvement by testicular B-cell lymphomas and PCDLBCL, leg type are indistinguishable on the basis of pathologic and immunophenotypical features, therefore specific investigation and clinic correlation are needed.
El texto completo de este artículo está disponible en PDF.Key words : extracutaneous involvement, extracutaneous spread, primary cutaneous diffuse large B-cell lymphoma leg type, secondary cutaneous involvement, testicular involvement, testicular lymphoma
Abbreviations used : CNS, CT, EBV, PCDLBCL
Esquema
| Funding sources: None. |
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| Conflicts of interest: None declared. |
Vol 66 - N° 4
P. 650-654 - avril 2012 Regresar al número
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