Hormonal abnormalities may be revealed in some patients with endocrine system involvement.  laboratory studies should include molecular analysis of the PTPN11 and RAF1 genes.
Leopard syndrome laboratory findings
Brugada syndrome laboratory findings
Boerhaave syndrome laboratory findings
Cowden syndrome laboratory findings
Andersen-Tawil syndrome laboratory findings
Noonan syndrome laboratory findings
Cretinism laboratory findings
Pott's disease laboratory findings