label: short-rib thoracic dysplasia 20 with polydactyly
label_lc: short-rib thoracic dysplasia 20 with polydactyly
description: A group of autosomal recessive skeletal ciliopathies that are characterized by a constricted thoracic cage, short ribs, shortened tubular bones, and a 'trident' appearance of the acetabular roof.