Chronic delusional disorder encompasses what classical termed as paranoia and paraphrenia. This disorder is characterized by the presence of one or more non-bizarre, permanent and systematized delusions. Cognitive functions of the patient not affected, judgment and reason are not affected if the subject is not addressed delirious. Delusional theme includes life-like experiences, including: persecution – persecutory type –, suffering from a disease – somatic type –, to be loved by someone famous – erotomaniac type –, the partner is unfaithful – jealous type – or having a special quality or gift – megalomaniac type –. Usually, patients lack awareness of mental illness and often prior to contact with mental health, made a pilgrimage by different specialists looking for an organic explanation.

The description of a case report of a 47-year-old male who has a delusional belief body deformity secondary to manipulation by a physiotherapist suffering a muscular pain in the lumbar region is performed. Prior to psychiatric diagnosis, begins a long journey by different specialists.

As a consequence, somatic-type delusional disorder is a challenge in the diagnosis and treatment in the medical field because it is required a multidisciplinary approach for these patients.