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Primary cutaneous T-cell-rich B-cell lymphoma
E Arai1, M Sakurai, H Nakayama
1First Department of Pathology, Saitama Medical School, Japan.
The British Journal of Dermatology
|August 1, 1993
Summary
A rare T-cell-rich B-cell lymphoma presented as a skin tumor. This case highlights the importance of immunohistochemistry in diagnosing cutaneous lymphomas.
Area of Science:
- Oncology
- Dermatology
- Pathology
Background:
- Malignant lymphomas can present as primary cutaneous lesions.
- T-cell-rich B-cell lymphoma (TRBCL) is a rare subtype of non-Hodgkin lymphoma.
Observation:
- A 61-year-old man developed a skin tumor in the right axilla over two months.
- Initial biopsy suggested T-cell lymphoma, but immunohistochemistry confirmed T-cell-rich B-cell lymphoma.
Findings:
- The patient's cutaneous tumor was diagnosed as T-cell-rich B-cell lymphoma.
- Literature review identified 47 TRBCL cases, with only one previously reported cutaneous primary.
Implications:
- This case expands the known spectrum of primary cutaneous lymphomas.
- Accurate diagnosis of cutaneous lymphomas requires careful histopathological and immunohistochemical evaluation.
- Further research is needed to understand the behavior and treatment of primary cutaneous TRBCL.