Camptodactyly-taurinuria syndrome, also known as familial streblodactyly with amino aciduria is a very rare autosomal dominant genetic disorder which consists of hand camptodactyly (usually affecting the pinky finger) and high levels of taurine in urine due to over-excretion of it. 17 affected people from 4 families across the world have been reported in medical literature. No new cases have been described since 1966.^[1][2][3][4] It is believed to be autosomal dominant.^[1]