<unk>  (LGS) is a very uncommon autosomal dominant genetic disorder caused by a deletion of a small section of material on chromosome 8. It is named after the two doctors who undertook the main research into the condition in the 1960s. Diagnosis is usually made at birth or in early childhood.
Langer–Giedion syndrome
Legg–Calvé–Perthes disease
Bardet–Biedl syndrome
Fibrodysplasia ossificans progressiva
Daentl Townsend Siegel syndrome
Tricho-rhino-phalangeal syndrome Type 1
Schinzel–Giedion syndrome
Marshall–Smith syndrome