2019
DOI: 10.24875/bmhim.18000103
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Nevo melanocítico congénito gigante

Abstract: Los nevos melanocíticos congénitos gigantes (NMCG) son lesiones melanocíticas secundarias a la migración anormal de los melanoblastos durante la embriogénesis. Afectan aproximadamente a 1 de cada 20,000 nacidos vivos y suelen estar presentes desde el nacimiento. Estas lesiones se distinguen porque cambian sus características morfológicas con el tiempo y aumentan su tamaño de forma paralela al crecimiento del niño, alcanzando un diámetro ≥ 20 cm en la edad adulta. La importancia de los NMCG radica en las compli… Show more

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Cited by 4 publications
(4 citation statements)
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“…1,2,4 This can be caused by genetic abnormalities such as NRAS (Q61) and BRAF (V600) mutations, in addition to the involvement of hepatocyte growth factor/scatter factor (HGF-SF). [1][2][3]7,8,9 Histology shows intradermal or compound involvement, with melanocytes that can reach even the muscle, glands, vascular walls, nervous structures, and fasciae. 5 There are many classifications available.…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…1,2,4 This can be caused by genetic abnormalities such as NRAS (Q61) and BRAF (V600) mutations, in addition to the involvement of hepatocyte growth factor/scatter factor (HGF-SF). [1][2][3]7,8,9 Histology shows intradermal or compound involvement, with melanocytes that can reach even the muscle, glands, vascular walls, nervous structures, and fasciae. 5 There are many classifications available.…”
Section: Discussionmentioning
confidence: 99%
“…1,2,4 This can be caused by genetic abnormalities such as NRAS (Q61) and BRAF (V600) mutations, in addition to the involvement of hepatocyte growth factor/scatter factor (HGF-SF). 1–3,7,8,9…”
Section: Discussionmentioning
confidence: 99%
“…They are arbitrarily classified based on their size into small (<1.5 cm), medium (1.5 to 19.9 cm), and large or giant (>20 cm) CMNs 2 . The incidence ranges from 1% for small isolated nevi to 1 in 500,000 for nevi projected to be greater than 20 cm 3,4 . Neurological complications in the form of meningeal melanomatosis are seen in 5% to 10% of individuals with giant or multiple CMNs 5 .…”
mentioning
confidence: 99%
“…2 The incidence ranges from 1% for small isolated nevi to 1 in 500,000 for nevi projected to be greater than 20 cm. 3,4 Neurological complications in the form of meningeal melanomatosis are seen in 5% to 10% of individuals with giant or multiple CMNs. 5 An association with Dandy-Walker malformation has been reported in 8% to 10% of children with neurocutaneous melanosis.…”
mentioning
confidence: 99%