Ochoa syndrome

The Ochoa syndrome or urofacial syndrome or  hydronephrosis with peculiar facial expression is an inherited disorder characterized by inverted facial expressions in association with obstructive disease of the urinary tract. see hydronephrosis.

It is an extremely rare and congenital syndrome, infants with the disorder exhibit an inverted smile; they appear to be crying when they are actually smiling, in conjunction with uropathy. The Ochoa syndrome has being identified to be an autosomal recessive trait.