Trauma as Triggering Factor for Development of Melanocytic Nevi
نویسندگان
چکیده
منابع مشابه
Trauma as triggering factor for development of melanocytic nevi.
The mechanisms for the development of acquired melanocytic nevi remain mostly unclear. Here we report a case of eruptive nevi that developed after localized superficial trauma, and review the currently known cellular and triggering factors for acquired melanocytic nevi. A 66-year-old woman presented a linear arrangement of pigmented macules on her left calf that developed after a bloodless skin...
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Figure 1. The surgical incision is marked for first-stage serial excision. DESCRIPTION A 4-year-old girl presented with congenital melanocytic nevus on the right forearm.
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Nevi are common skin tumors caused by abnormal overgrowth of cells from the epidermal and dermal layers of the skin. Most nevi are benign, but some pre-cancerous nevi must be monitored or removed. The giant congenital nevus is greater than 10 cm in size, pigmented and often hairy. Between 4% and 6% of these lesions will develop into a malignant melanoma. Since approximately 50% of the melanoma ...
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Melanocytic nevi represent a benign neoplastic proliferation of melanocytes. The level of vascular endothelial growth factor expression in these proliferations is low in most cases; whereas an increased expression of this factor may be an indicator of pre-neoplastic changes in melanocyte lesions. We performed a semi-quantitative assessment of the level of vascular endothelial growth factor expr...
متن کاملSun protection and the development of melanocytic nevi in children.
Childhood sun exposure causes nevi (and melanoma), but there is little evidence regarding the effectiveness of sun protection strategies on the number of nevi. We previously found that boys but not girls receiving a school-based sun protection program had fewer nevi on their backs than controls. Here, we investigated whether specific program components (encouraging children to stay indoors in t...
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ژورنال
عنوان ژورنال: Dermatology
سال: 2010
ISSN: 1421-9832,1018-8665
DOI: 10.1159/000276983