Proteus syndrome in a young African woman: a clinically diagnosed ultra-rare mosaic overgrowth disorder Chiril Voloc1, Andrei Olaru2, Irina Rusu3, Ninel Revenco4, Alexandru Voloc4 https://doi.org/10.52645/MJHS.2026.1.21 Proteus syndrome is an extremely rare congenital multisystem disorder characterized by highly variable clinical manifestations. Its exact prevalence remains unknown, with fewer than 200 cases reported in the medical literature worldwide.