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Aberrant immunophenotypes in mycosis fungoides
S C van der Putte1, J Toonstra, D F van Wichen
1Institute of Pathology, University Hospital, University of Utrecht, the Netherlands.
Archives of Dermatology
|March 1, 1988
Summary
Immunophenotypic aberration in mycosis fungoides (MF) skin biopsies is common, particularly in advanced stages. While associated with aggressive disease, its prognostic value for individual patients is limited.
Area of Science:
- Dermatology
- Immunopathology
- Oncology
Background:
- Mycosis fungoides (MF) is the most common type of cutaneous T-cell lymphoma.
- Accurate diagnosis and staging are crucial for patient management.
- Immunophenotypic analysis aids in characterizing neoplastic lymphocytes.
Purpose of the Study:
- To assess the prevalence and significance of immunophenotypic deviation in mycosis fungoides.
- To correlate aberrant phenotypes with clinicopathologic features and disease progression.
Main Methods:
- Analysis of skin biopsy specimens from 40 mycosis fungoides patients.
- Selective procedure for assessing immunophenotypic deviation.
- Correlation of aberrant phenotypes with clinical and pathological parameters.
Main Results:
- Aberrant phenotypes were detected in 48% of cases.
- Phenotypic aberration correlated significantly with advanced tumor stage, specific cell morphology, blast transformation, and dermal infiltration.
- Aberration was associated with more extensive disease, lymph node/visceral involvement, and higher mortality.
- Prognostic relevance was limited due to association with indolent disease in some patients.
Conclusions:
- Immunophenotypic aberration assessment is valuable for diagnosing mycosis fungoides, especially in cases with minimal atypia.
- Aberrant phenotypes are linked to advanced disease but have variable prognostic implications.
- Further research may clarify the role of immunophenotypic analysis in MF management.