Congenital Melanocytic Nevi
نویسندگان
چکیده
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.
منابع مشابه
Pilomatrixoma Arising Juxtaposed to Congenital Melanocytic Nevi: Concern for Malignant Degeneration? A Previously Unreported Association
Figure 1. Preoperative photograph showing the overlying melanocytic nevi. DESCRIPTION We present a 13-year-old male patient with congenital melanocytic nevi and a yearlong history of enlarging right preauricular mass. Examination revealed 2 congenital melanocytic nevi overlying a large, firm, mobile 2.7 × 2.5-cm subcutaneous mass with irregular borders. Pathology confirmed intradermal melanocyt...
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BACKGROUND Currently, there is disagreement as to whether speckled lentiginous nevi (nevi spili) are congenital or acquired pigmented lesions. Part of this controversy is related to the natural history of these lesions that often present at birth as hyperpigmented patches and then take several years to reach their more readily recognized spotted form. Arguments in favor of speckled lentiginous ...
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Congenital melanocytic nevi are commonly encountered in clinical practice. Although the development of malignant melanoma arising in small and intermediate congenital melanocytic nevi is rare, there is a significant risk of malignant degeneration associated with large congenital melanocytic nevi, in particular those that arise on the torso in the so-called "bathing trunk" distribution, where th...
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Benign pigmented skin lesions are very common in children and can be generally classified into congenital or acquired nevi. Congenital nevi can be small, medium or large. Large nevi are usually associated with a higher risk of malignant transformation into melanoma. Acquired melanocytic nevi can be classified into typical melanocytic nevi, clonal nevi, or halo nevi. Cytological atypia can be ob...
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Large congenital melanocytic nevi are cutaneous lesions regarded by many as premalignant; estimates of malignancy incidence range from 0 to 42 percent. Given the often complex and extensive nature of large congenital melanocytic nevi resection and reconstruction, the risk of malignant transformation is a crucial factor that surgeons and families must weigh when deciding whether or not to excise...
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The aim of our study was to use tissue expansion for the treatment of giant congenital melanocytic nevi of the upper extremity and examine potential advantages over traditional techniques.There were 3 stages in the treatment of giant congenital melanocytic nevi of the upper extremities using tissue expansion: first, the expander was inserted into the subcutaneous pocket; second, the expander wa...
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