Functional neurological disorders (FND) have been a challenge to treat both for 
neurologists and neurosurgeons. Various ablative as well as non-ablative 
techniques have been used to treat these disorders. Gamma knife radiosurgery 
(GKRS) is also being practised to treat refractory obsessive- compulsive 
disorder (OCD). The subsequent complications of GKRS reported have been 
variable, with headache being the most common. We discuss here a rare 
complication of 'late onset radiation necrosis in bilateral caudate nuclei' in a 
patient after receiving GKRS three years back. This case highlights the need to 
be more cautious before administering ablative procedures in patients suffering 
with functional disorders.