Asplenia, Isolated Congenital, also known as familial isolated congenital asplenia, is related to right atrial isomerism and contractures, pterygia, and spondylocarpotarsal fusion syndrome 1a. An important gene associated with Asplenia, Isolated Congenital is RPSA (Ribosomal Protein SA). The drugs Atorvastatin and Evolocumab have been mentioned in the context of this disorder. Affiliated tissues include spleen and spinal cord, and related phenotypes are thrombocytosis and asplenia