Otopalatodigital Syndrome Spectrum Disorder, also known as opd spectrum disorder, is related to otopalatodigital syndrome, type ii and melnick-needles syndrome. An important gene associated with Otopalatodigital Syndrome Spectrum Disorder is FLNA (Filamin A), and among its related pathways/superpathways are ERK Signaling and PAK Pathway. Affiliated tissues include bone, and related phenotypes are Reduced mammosphere formation and growth/size/body region