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On the nature of clear cell acanthomas
D W Cotton1, P M Mills, T J Stephenson
1Department of Pathology, Sheffield University Medical School, U.K.
The British Journal of Dermatology
|November 1, 1987
Summary
Immunohistological markers do not support clear cell acanthomas being variants of basal cell papillomas or true neoplasms. Further research is needed to clarify the nature of these skin lesions.
Area of Science:
- Dermatopathology
- Immunohistochemistry
- Skin Neoplasms
Background:
- Clear cell acanthoma is a benign skin tumor.
- Its histogenesis and relationship to other skin lesions remain debated.
- Distinguishing it from basal cell papillomas and other conditions is clinically important.
Purpose of the Study:
- To investigate the immunohistochemical profile of clear cell acanthomas.
- To compare these findings with basal cell papillomas and inflammatory skin conditions.
- To determine the neoplastic or non-neoplastic nature of clear cell acanthomas.
Main Methods:
- Immunohistochemical analysis of five clear cell acanthomas.
- Comparison with basal cell papillomas (with and without clear cell change).
- Comparison with lesions of psoriasis and lichen planus.
Main Results:
- Immunohistochemical results did not align with basal cell papilloma profiles.
- Clear cell acanthomas showed distinct marker expression compared to other lesions.
- Findings challenge the classification of clear cell acanthomas as basal cell papilloma variants.
Conclusions:
- The study does not support clear cell acanthomas being variants of basal cell papillomas.
- Evidence does not indicate clear cell acanthomas are true neoplasms.
- The precise nature and classification of clear cell acanthomas require further investigation.