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Case Reports in Infectious Diseases - Volume 2014 2014, Article ID 458028, 3 pages -

Case Report

Department of Infectious Diseases, Mater Health Services and Mater Medical Research Institute, Brisbane, QLD 4101, Australia

School of Medicine, University of Queensland, Brisbane, QLD 4101, Australia

The QIMR Berghofer Medical Research Institute, Brisbane, QLD 4101, Australia

Received 6 October 2014; Accepted 15 December 2014; Published 25 December 2014

Academic Editor: Pere Domingo

Copyright © 2014 Ian Gassiep and Paul Matthew Griffin. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


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 related. We present this case as it is a rare presentation of a rare condition. Case Presentation. Our patient is a 60-year-old Caucasian man who presented with a 7-year history of delusional infestation manifested as a disseminated fungal infection. He had previously been reviewed by multiple physicians for the same with no systemic illness diagnosed. After multiple reviews and thorough investigation we diagnosed him with a likely delusional disorder. As is common with this patient cohort he refused psychiatric review or antipsychotic medication. Conclusion. A delusion of a disseminated fungal infestation is a rare condition. It is exceedingly difficult to treat as these patients often refuse to believe the investigation results and diagnosis. Furthermore, they either refuse or are noncompliant with treatment. Multidisciplinary outpatient evaluation may be the best way to allay patient fears and improve treatment compliance.

Autor: Ian Gassiep and Paul Matthew Griffin



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