Aicardi-Goutieres Syndrome 3, also known as pseudo-torch syndrome, is related to pseudo-torch syndrome 2 and pseudo-torch syndrome 3, and has symptoms including seizures, petechiae of skin and muscle spasticity. An important gene associated with Aicardi-Goutieres Syndrome 3 is RNASEH2C (Ribonuclease H2 Subunit C). Affiliated tissues include brain and skin, and related phenotypes are spasticity and hyperreflexia