Primary cutaneous histiocyte and neutrophil-rich CD30+ and CD56+ anaplastic large-cell lymphoma with prominent angioinvasion and nerve involvement in the forehead and scalp of an immunocompetent woman

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Abstract

Background

Cutaneous lymphomas co-expressing CD56 and CD30 are very rare. They share a clinicopathological overlap with natural killer- (NK)/T-cell lymphomas and anaplastic large-cell lymphomas (ALCLs), two entities with widely disparate clinical behavior.

Methods

We present a case of an immunocompetent 57-year-old Caucasian woman with a rapidly growing, angiodestructive and neuroinvasive primary cutaneous ALCL (PCALCL). The neoplastic population of large anaplastic CD30+ and CD56+ T cells was masked by a massive admixture of histiocytes and neutrophils. The partially ulcerated and pus-secreting tumor involved the forehead and scalp and was assessed as clinical stage IAE.

Results

After chemotherapy (cyclophosphamide, doxorubicin, vincristine, and prednisone), the patient achieved a complete remission. Additionally, high-dose chemotherapy with autologous peripheral blood stem-cell transplantation was administered as a consolidation of complete remission, in which she has remained for 6 years.

Conclusions

This is the first CD30+ and CD56+ primary skin lymphoma to be reported on the head. The presented case carries a remarkable combination of clinicopathological features of PCALCL and NK-/T-cell lymphoma.

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