Mesomelic dysplasia, Savarirayan type is characterised by severely hypoplastic and triangular-shaped tibiae, and absence of the fibulae. So far, two sporadic cases have been described. Moderate mesomelia of the upper limbs, proximal widening of the ulnas, pelvic anomalies and marked bilateral glenoid hypoplasia were also reported.

Subnormal intellectual functioning which originates during the developmental period. Intellectual disability, previously referred to as mental retardation, has been defined as an IQ score below 70.