Halo nevus: competent surveillance of potential melanoma?
Halo nevus: competent surveillance of potential melanoma?
复制标题
晕痣:对潜在黑色素瘤的有效监测?
DOI:
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发表时间:
1976
期刊:
影响因子:
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通讯作者:
B. Barna
中科院分区:
文献类型:
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作者:
J. Krebs;H. Roenigk;S. Deodhar;B. Barna
The halo nevus is characterized histologically by a dense lymphocytic infiltrate enveloping the cells of a compound nevus. Clinically the nevus develops a depigmented outer ring in the skin surrounding it (Figure). The nevus itself often disappears spontaneously and the depigmented halo usually re-pigments. Numerous mechanisms have been postu-lated for this phenomenon of spontaneous regression of a benign tumor. 1 Results of recent studies by Copeman et al 2 implicated circulating antibody as the mechanism responsible for regression of the halo nevus. The conclusions are based on the demonstration of antibodies in the sera of some halo nevi patients to the cytoplasm of malignant melanoma cells. Immune response occurs by two mechanisms, cellular (T-cell) and humoral (B-cell). Cell-mediated immunity is primarily responsible for tumor and transplant rejection, not humoral immunity (anti-body).