[Treating hoarding disorder in a 12-year-old boy].

In this case report hoarding disorder is described in a 12-year-old boy who suffered from obsessive collection of things. The disorder is a separate diagnostic entity in DSM-5, and it will probably be a separate disorder in ICD-11 called hoarding disorder. The disorder is generally considered difficult to treat, but this case report describes significant reduction in hoarding symptoms on cognitive behavioural therapy and treatment with selective serotonin reuptake inhibitors.