chromosome	gene symbol	phenotype
18p11-q11	?	Spinocerebellar ataxia 28 -SCA28
18q12	DTNA dystrobrevin, alpha	Left ventricular noncompaction, familial isolated -LVNC Left ventricular noncompaction with congenital heart defects -
18q12.1	DSG2 desmoglein 2	Arrhythmogenic right ventricular dysplasia, 10 -ARVD10
18q12.1	TTR transthyretin (prealbumin, amyloidosis type I)	Amyloid neuropathy, familial, several allelic types -TTR Amyloidosis, senile systemic -TTR Carpal tunnel syndrome, familial -TTR Dystransthyretinemic hyperthyroxinemia -TTR
18q12.1	DSC2 desmocollin 2	Arrhythmogenic right ventricular dysplasia, 11 -ARVD11
18q21	?	Amyotrophic lateral sclerosis -ALS3
18q23	CTDP1 CTD phosphatase subunit 1	congenital cataracts, facial dysmorphism, and neuropathy -CCFDN