Monosymptomatic Hypochondriacal Psychosis—2 Case Reports

Monosymptomatic Hypochondriacal Psychosis (somatic delusional disorder): a report of two cases.

Delusions of Disseminated Fungosis

Introduction. Delusional infestation is a rare monosymptomatic hypochondriacal psychosis according to The Diagnostic and Statistical Manual of Mental Disorders (5th ed.; DSM-5; American Psychiatric Association, 2013). It can be a primary disorder or associated with an underlying psychological or physical disorder. It commonly presents as delusional parasitosis, and less than 1% may be fungi rel...

Delusions of parasitosis.

The most common monosymptomatic hypochondriacal psychosis encountered by a dermatologist is delusions of parasitosis. In this condition, patients have an "encapsulated" fixed, false belief that they are infested with parasites or have foreign objects extruding from their skin. The patient will often experience feelings of biting, crawling and stinging related to the delusion. Most patients do n...

The Spectrum of Ideation in Patients with Symptoms of Infestation: From Overvalued Ideas to the Terminal Delusional State

Delusional infestation (DI) is a type of monosymptomatic hypochondriacal psychosis characterized by the steadfast belief that one is infested with living organisms or inanimate material in the absence of objective proof. Although DI is generally regarded as a single psychotic phenotype characterized by either the presence or absence of a delusion, our experience has been that patients with DI p...

Prevalence of olfactory reference syndrome in obsessive-compulsive disorder and social anxiety disorder.

To the Editor: Olfactory reference syndrome (ORS) is a condition characterized by concerns about perceived body odor, which may lead to repetitive behaviors to diminish the odor, as well as to avoidance of social interactions.1,2 A range of other terms describing olfactory reference symptomatology has appeared in the literature; for example, based on the observation that it involves a single be...