Congenital insensitivity to pain with anhidrosis: a case report.

Congenital insensitivity to pain with anhidrosis is an extremely rare autosomal recessive disorder characterized by inexplicable episodes of hyperpyrexia, anhidrosis, insensitivity to pain and self-mutilation. Described is a 6-year-old girl with symptoms signs and electrodiagnostic finding compatible with this disease.