Large congenital melanocytic nevus
Synonyms: Congenital pigmented nevus | GMN | Giant congenital melanocytic nevus | Giant pigmented hairy nevus | LCMN
A large or giant congenital melanocytic nevus (LCMN or GCMN) is a pigmented skin lesion of more than 20 cm – or 40 cm- respectively projected adult diameter composed of melanocytes and presenting with an elevated risk of malignant transformation.
Data from Orphanet are used to provide information on a disease's name, synonym(s), and overview.
Reference: Access aggregated data from Orphanet at Orphadata.
Orphadata: Free access data from Orphanet. © INSERM 1999. Available on http: //www.orphadata.org. Data version September 2023.
Newly diagnosed with
Large congenital melanocytic nevus?
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Advocacy Organizations
Nevus Outreach
Nevus Outreach is dedicated to bringing awareness, providing support, and finding cures for people affected by congenital melanocytic nevi and related disorders.
3G SARL
Our mission is to design and/or implement information and communication technology solutions in the healthcare field.
Syndromes Without A Name (SWAN) Australia
Provide information, support and advocacy to families caring for a child with an undiagnosed or rare genetic condition.
My Faulty Gene
My Faulty Gene is a nonprofit organization which provides information and assistance to any individual whose family medical history suggests genetic testing might be helpful in identifying an increased risk of disease due to a genetic mutation. We believe that everyone in need of genetic testing should have access to it.
My Little Sunshine Foundation
My Little Sunshine is a non-profit foundation dedicated to educating people about the importance of fertility preservation and making fertility resources accessible to all.
SALUS
Educate and provide resources to POC with Rare Cancers
Help Hope Live
Help Hope Live assists individuals living with catastrophic injuries and illnesses to fundraise toward their medical expenses and related costs.
Clinical Trials
For a list of clinical trials in this disease area, please click here.