A, Radiographic features from lower limbs of a metaphyseal chondrodysplasia, Schmid type (MCDS) patient (IV-13 shown in 1B). B, Radiographic features from lower limbs of a normal subject (V-13 shown in 1B). MCDS patient had bowed lower legs, coxa valga, metaphyseal widening and sclerosis while these changes were not observed in control subject.