Abstract
Autism spectrum disorders (ASDs) are manifested in the area of social interactions, communication, and behaviour. The diagnosis of autism is to be made by an experienced psychologist or psychiatrist who has had long expertise in this field, using a specialized psychological-psychiatric testing which involves at least two standardized methods.
However, every ASD patient should undergo comprehensive evaluation in order to ascertain either the aetiology of the symptoms or the comorbidity obscured by autistic symptomatology. The diverse diagnoses that can cause autistic symptoms in a patient are documented by three entirely different case reports from the practice. ses that can cause autistic symptoms in a patient are documented by three entirely different case reports from the practice.