Laurin-Sandrow Syndrome, also known as sandrow syndrome, is related to triphalangeal thumb with polysyndactyly and clubfoot. An important gene associated with Laurin-Sandrow Syndrome is LMBR1 (Limb Development Membrane Protein 1), and among its related pathways/superpathways are Signaling by Hedgehog and Bardet-Biedl syndrome. Affiliated tissues include bone and thymus, and related phenotypes are preaxial hand polydactyly and finger syndactyly