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CD4+/CD56+ Hematodermic neoplasm (plasmacytoid dendritic cell tumor)
Michael Shiman1, Robb Marchione, Carlos Ricotti
1Department of Dermatology and Cutaneous Surgery, University of Miami Miller School of Medicine, Miami, Florida, USA.
A rare and aggressive skin cancer, CD4+/CD56+ hematodermic neoplasm (also known as blastic natural killer-cell lymphoma), presents as purplish-red nodules. This review details its clinical, pathological, and immunohistochemical characteristics.
Area of Science:
- Hematology
- Oncology
- Dermatopathology
Background:
- CD4+/CD56+ hematodermic neoplasm is a rare and aggressive neoplastic disorder.
- This condition primarily affects the skin, presenting as nodules and plaques.
Observation:
- A 60-year-old male presented with multiple, purplish-red, cutaneous nodules and plaques.
- Diagnostic work-up confirmed the presence of CD4+/CD56+ hematodermic neoplasm.
Findings:
- The neoplasm is characterized by a specific immunophenotype (CD4+/CD56+).
- Blastic natural killer-cell lymphoma demonstrates aggressive behavior and a predilection for skin involvement.
Implications:
- Understanding the clinical, pathological, and immunohistochemical features is crucial for diagnosis.
- Early recognition and accurate diagnosis are vital for managing this rare hematologic malignancy.
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