Overview
Any Noonan syndrome with multiple lentigines in which the cause of the disease is a heterozygous mutation in the PTPN11 gene on chromosome 12q24.
LEOPARD syndrome 1
Any Noonan syndrome with multiple lentigines in which the cause of the disease is a heterozygous mutation in the PTPN11 gene on chromosome 12q24.
- Therapeutic area
- Rare Disease
- Rarity
- Rare
- Prevalence
- ~100k patients (est.)
- MONDO
- MONDO:0100082
Content last reviewed: 2026-06