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Delusional misidentification

MedGen UID:
1051300
•Concept ID:
CN375800
•
Finding
HPO: HP:5200428

Definition

A group of complex, monothematic delusional phenomena in which subjects hold a belief that the identity of a familiar person, object, location, or self has been altered or replaced. [from HPO]

Term Hierarchy

CClinical test,  RResearch test,  OOMIM,  GGeneReviews,  VClinVar  
  • CROGVDelusional misidentification

Professional guidelines

PubMed

Treatment-resistant, five-year long, postpartum-onset Capgras episode resolving after electroconvulsive therapy.
Rapinesi C, Kotzalidis GD, Del Casale A, Ferri VR, Di Pietro S, Scatena P, Serata D, Danese E, Sani G, Koukopoulos AE, Angeletti G, Girardi P
Int J Psychiatry Med 2015;49(3):227-34. Epub 2015 Apr 29 doi: 10.1177/0091217415582193. PMID: 25926594

Recent clinical studies

Etiology

Phantom boarder symptom in elderly Japanese.
Fukatsu T, Kanemoto K
Psychogeriatrics 2022 Jan;22(1):108-112. Epub 2021 Nov 8 doi: 10.1111/psyg.12785. PMID: 34750931
Incidence and lesions causative of delusional misidentification syndrome after stroke.
Kakegawa Y, Isono O, Hanada K, Nishikawa T
Brain Behav 2020 Nov;10(11):e01829. Epub 2020 Sep 7 doi: 10.1002/brb3.1829. PMID: 32893993Free PMC Article
Capgras Syndrome and Other Delusional Misidentification Syndromes.
Barrelle A, Luauté JP
Front Neurol Neurosci 2018;42:35-43. Epub 2017 Nov 17 doi: 10.1159/000475680. PMID: 29151089
Self-representation in delusional misidentification and confabulated "others".
Feinberg TE, Roane D
Cortex 2017 Feb;87:118-128. Epub 2016 Jul 27 doi: 10.1016/j.cortex.2016.07.014. PMID: 27542857
The neurology of psychosis.
Oyebode F
Med Princ Pract 2008;17(4):263-9. Epub 2008 Jun 3 doi: 10.1159/000129603. PMID: 18523391

Diagnosis

Capgras and Fregoli syndromes: delusion and misidentification.
Ventriglio A, Bhugra D, De Berardis D, Torales J, Castaldelli-Maia JM, Fiorillo A
Int Rev Psychiatry 2020 Aug-Sep;32(5-6):391-395. Epub 2020 May 7 doi: 10.1080/09540261.2020.1756625. PMID: 32378427
Capgras Syndrome and Other Delusional Misidentification Syndromes.
Barrelle A, Luauté JP
Front Neurol Neurosci 2018;42:35-43. Epub 2017 Nov 17 doi: 10.1159/000475680. PMID: 29151089
Somatoparaphrenia: evolving theories and concepts.
Feinberg TE, Venneri A
Cortex 2014 Dec;61:74-80. Epub 2014 Jul 22 doi: 10.1016/j.cortex.2014.07.004. PMID: 25481466
Delusional misidentification.
Feinberg TE, Roane DM
Psychiatr Clin North Am 2005 Sep;28(3):665-83, 678-9. doi: 10.1016/j.psc.2005.05.002. PMID: 16122573
Delusional misidentification syndromes.
Ellis HD, Luauté JP, Retterstøl N
Psychopathology 1994;27(3-5):117-20. doi: 10.1159/000284856. PMID: 7846223

Therapy

Coexistence of different delusional misidentification syndromes in clinical practice: A case series.
Migoya-Borja M, Palomar-Ciria N, Cegla-Schvartzman F, Ovejero S, Baca-García E
Rev Colomb Psiquiatr (Engl Ed) 2023 Jul-Sep;52(3):201-205. Epub 2023 Oct 18 doi: 10.1016/j.rcpeng.2021.05.007. PMID: 37863766
Neuropsychiatric Features of Fregoli Syndrome: An Individual Patient Meta-Analysis.
Teixeira-Dias M, Dadwal AK, Bell V, Blackman G
J Neuropsychiatry Clin Neurosci 2023 Spring;35(2):171-177. Epub 2022 Sep 29 doi: 10.1176/appi.neuropsych.22010011. PMID: 36172691
Delusional Misidentification Post-Traumatic Brain Injury Responding to Clozapine.
Naguy A
Prim Care Companion CNS Disord 2022 Apr 12;24(2) doi: 10.4088/PCC.21cr02979. PMID: 35421908
Delusional misidentification in Parkinson's disease: report of two cases and a review.
Hermanowicz N
Postgrad Med 2018 Mar;130(2):280-283. Epub 2017 Dec 13 doi: 10.1080/00325481.2018.1411161. PMID: 29185820
An Unusual Case of Erotomania and Delusional Misidentification Syndrome.
Granstein J, Strimbu K, Francois D, Kahn DA
J Psychiatr Pract 2015 Jul;21(4):306-12. doi: 10.1097/PRA.0000000000000089. PMID: 26164056

Prognosis

Phantom boarder symptom in elderly Japanese.
Fukatsu T, Kanemoto K
Psychogeriatrics 2022 Jan;22(1):108-112. Epub 2021 Nov 8 doi: 10.1111/psyg.12785. PMID: 34750931
Incidence and lesions causative of delusional misidentification syndrome after stroke.
Kakegawa Y, Isono O, Hanada K, Nishikawa T
Brain Behav 2020 Nov;10(11):e01829. Epub 2020 Sep 7 doi: 10.1002/brb3.1829. PMID: 32893993Free PMC Article
Delusional misidentifications in a procrustean bed.
Christodoulou GN, Margariti M, Christodoulou N
Psychiatriki 2018 Jan-Mar;29(1):15-18. doi: 10.22365/jpsych.2018.291.15. PMID: 29754115
Delusional misidentification: an exemplary symptom illustrating an interaction between organic brain disease and psychological processes.
Fleminger S
Psychopathology 1994;27(3-5):161-7. doi: 10.1159/000284865. PMID: 7846233
The delusional misidentification syndromes in patients with and without evidence of organic cerebral disorder: a structured review of case reports.
Fleminger S, Burns A
Biol Psychiatry 1993 Jan 1;33(1):22-32. doi: 10.1016/0006-3223(93)90274-h. PMID: 8420592

Clinical prediction guides

Phantom boarder symptom in elderly Japanese.
Fukatsu T, Kanemoto K
Psychogeriatrics 2022 Jan;22(1):108-112. Epub 2021 Nov 8 doi: 10.1111/psyg.12785. PMID: 34750931
Incidence and lesions causative of delusional misidentification syndrome after stroke.
Kakegawa Y, Isono O, Hanada K, Nishikawa T
Brain Behav 2020 Nov;10(11):e01829. Epub 2020 Sep 7 doi: 10.1002/brb3.1829. PMID: 32893993Free PMC Article
Capgras and Fregoli syndromes: delusion and misidentification.
Ventriglio A, Bhugra D, De Berardis D, Torales J, Castaldelli-Maia JM, Fiorillo A
Int Rev Psychiatry 2020 Aug-Sep;32(5-6):391-395. Epub 2020 May 7 doi: 10.1080/09540261.2020.1756625. PMID: 32378427
Psychiatric disorders associated with acquired brain pathology.
Ardila A
Appl Neuropsychol Adult 2019 Nov-Dec;26(6):591-597. Epub 2018 Sep 5 doi: 10.1080/23279095.2018.1463224. PMID: 30183352
Capgras Syndrome and Other Delusional Misidentification Syndromes.
Barrelle A, Luauté JP
Front Neurol Neurosci 2018;42:35-43. Epub 2017 Nov 17 doi: 10.1159/000475680. PMID: 29151089

Recent systematic reviews

Neuropsychiatric Features of Fregoli Syndrome: An Individual Patient Meta-Analysis.
Teixeira-Dias M, Dadwal AK, Bell V, Blackman G
J Neuropsychiatry Clin Neurosci 2023 Spring;35(2):171-177. Epub 2022 Sep 29 doi: 10.1176/appi.neuropsych.22010011. PMID: 36172691
Delusional Misidentification Syndromes in Postpartum Psychosis: A Systematic Review.
Lewis G, Blake L, Seneviratne G
Psychopathology 2023;56(4):285-294. Epub 2022 Sep 16 doi: 10.1159/000526129. PMID: 36116435
The course of neuropsychiatric symptoms in community-dwelling patients with dementia: a systematic review.
Borsje P, Wetzels RB, Lucassen PL, Pot AM, Koopmans RT
Int Psychogeriatr 2015 Mar;27(3):385-405. Epub 2014 Nov 18 doi: 10.1017/S1041610214002282. PMID: 25403309
Reduplicative paramnesia: a review.
Politis M, Loane C
Psychopathology 2012;45(6):337-43. Epub 2012 Jul 31 doi: 10.1159/000337748. PMID: 22854269

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