Spontaneous regression of a congenital melanocytic nevus
نویسندگان
چکیده
منابع مشابه
Blaschkolinear congenital melanocytic nevus.
common acquired nevi and an otherwise normal clinical examination. Congenital melanocytic nevi are often classified according to their size [1] . Another attempt of classification in two groups has recently been proposed: type I, the most frequent, with a single lesion involving one anatomic area and type II, less common, with a larger lesion and dozens of smaller ones, with a similar pattern o...
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Congenital melanocytic nevus (CMN) is a neural crest-derived hamartoma, which appear at or soon after birth. CMN has a dynamic course and may show variable changes over time, including spontaneous involution. Spontaneous involution of CMN is a rare phenomenon and is often reported in association with halo phenomenon or vitiligo. The mechanism of halo phenomenon is yet to be investigated but is ...
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Giant congenital melanocytic nevus is usually defined as a melanocytic lesion present at birth that will reach a diameter ≥ 20 cm in adulthood. Its incidence is estimated in <1:20,000 newborns. Despite its rarity, this lesion is important because it may associate with severe complications such as malignant melanoma, affect the central nervous system (neurocutaneous melanosis), and have major ps...
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Congenital melanocytic nevus syndrome (CMNS) is the result of an abnormal proliferation of melanocytes in the skin and central nervous system caused by progenitor-cell mutations during embryonic development. Mutations in the NRAS gene have been detected in many of these cells. We present 5 cases of giant congenital melanocytic nevus, 3 of them associated with CMNS; NRAS gene mutation was studie...
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Mujer de 39 años, fototipo II de Fitzpatrick, con antecedentes de melanoma en 2 familiares de primer grado, en seguimiento dermatoscópico digital por síndrome de nevus displásico, que consultó por cambio brusco de aspecto y aparición de prurito, en una lesión en la espalda, de años de evolución, que permanecía estable hasta entonces. Negaba traumatismo previo. En la región lumbar izquierda pres...
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ژورنال
عنوان ژورنال: Indian Journal of Dermatology, Venereology, and Leprology
سال: 2011
ISSN: 0378-6323
DOI: 10.4103/0378-6323.82418