We report on three male patients from a single family with a brachyturricep
haly, "pugilistic" facial appearance, a muffled voice, cardiomyopathy, musc
ular hypertrophy, broad hands, wide feet with progressive pes cavus deformi
ties, dislocation of toes, variable congenital hip dislocation, and scolios
is, Three other males in the family, now deceased from cardiac disease, app
ear to have had the same disorder. The mother of the propositus has milder
signs of the syndrome. All affected males are related through the maternal
line, These cases represent an apparently previously undescribed X-linked r
ecessive syndrome.