Fanling Integrated Treatment Centre, 6/F, Fanling Health Centre, 2 Pik Fung Road, Fanling, New Territories Tuberous sclerosis complex (TSC), a rare autosomal dominant neurocutaneous syndrome, may be caused by mutations of either the TSC1 or TSC2 gene encoding hamartin and tuberin respectively. It is characterised by cutaneous changes, neurologic conditions and the formation of hamartomas in mul...