Case report: Cerebrotendinous Xanthomatosis masquerading as adult ADHD in psychiatric practice

IntroductionThis case report details the presentation of a patient who initially sought consultation at a psychiatric outpatient clinic with symptoms suggestive of Attention-Deficit/Hyperactivity Disorder (ADHD); however, further evaluation revealed a diagnosis of Cerebrotendinous Xanthomatosis (CTX...

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Main Authors: Jongtae Kim, Yun Jeong Hong, Si Baek Lee, Seong Hoon Kim, Myung Ah Lee, Eunbuel Ko, Jeong Wook Park
Format: Article
Language:English
Published: Frontiers Media S.A. 2025-02-01
Series:Frontiers in Psychiatry
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Online Access:https://www.frontiersin.org/articles/10.3389/fpsyt.2025.1528204/full
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author Jongtae Kim
Yun Jeong Hong
Si Baek Lee
Seong Hoon Kim
Myung Ah Lee
Eunbuel Ko
Jeong Wook Park
author_facet Jongtae Kim
Yun Jeong Hong
Si Baek Lee
Seong Hoon Kim
Myung Ah Lee
Eunbuel Ko
Jeong Wook Park
author_sort Jongtae Kim
collection DOAJ
description IntroductionThis case report details the presentation of a patient who initially sought consultation at a psychiatric outpatient clinic with symptoms suggestive of Attention-Deficit/Hyperactivity Disorder (ADHD); however, further evaluation revealed a diagnosis of Cerebrotendinous Xanthomatosis (CTX). CTX, a genetic disorder impacting lipid metabolism, is often overlooked in differential diagnoses due to its rarity. This case underscores the importance of considering alternative diagnoses in adults exhibiting ADHD-like symptoms without a childhood history of the disorder, adding to the literature on diagnostic complexities in psychiatric practice.Case presentationA 33-year-old man visited a psychiatric outpatient clinic with symptoms such as increasing distractibility and inattention, requesting an evaluation for adult ADHD. However, the absence of an ADHD history in childhood, coupled with progressive neurological symptoms and tendon xanthomas, led to further investigation. Comprehensive neurological assessments, including neuroimaging and genetic testing, ultimately diagnosed him with CTX. Treatment with chenodeoxycholic acid (CDCA) resulted in stabilization of cognitive function, although improvement in gait disturbances and tremors remained minimal.ConclusionThis case demonstrates that CTX can masquerade as adult ADHD, emphasizing the necessity for thorough assessments in atypical ADHD presentations. Psychiatrists should consider rare metabolic disorders like CTX in similar cases, which may enable timely intervention and improve patient outcomes.
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spelling doaj-art-1a8812f50167497faa26345fcd1fb47f2025-02-04T06:31:43ZengFrontiers Media S.A.Frontiers in Psychiatry1664-06402025-02-011610.3389/fpsyt.2025.15282041528204Case report: Cerebrotendinous Xanthomatosis masquerading as adult ADHD in psychiatric practiceJongtae Kim0Yun Jeong Hong1Si Baek Lee2Seong Hoon Kim3Myung Ah Lee4Eunbuel Ko5Jeong Wook Park6Department of Psychiatry, Uijeongbu St. Mary’s Hospital, The Catholic University of Korea, Seoul, Republic of KoreaDepartment of Neurology, Uijeongbu St. Mary’s Hospital, The Catholic University of Korea, Seoul, Republic of KoreaDepartment of Neurology, Uijeongbu St. Mary’s Hospital, The Catholic University of Korea, Seoul, Republic of KoreaDepartment of Neurology, Uijeongbu St. Mary’s Hospital, The Catholic University of Korea, Seoul, Republic of KoreaDepartment of Neurology, Uijeongbu St. Mary’s Hospital, The Catholic University of Korea, Seoul, Republic of KoreaDepartment of Neurology, Uijeongbu St. Mary’s Hospital, The Catholic University of Korea, Seoul, Republic of KoreaDepartment of Neurology, Uijeongbu St. Mary’s Hospital, The Catholic University of Korea, Seoul, Republic of KoreaIntroductionThis case report details the presentation of a patient who initially sought consultation at a psychiatric outpatient clinic with symptoms suggestive of Attention-Deficit/Hyperactivity Disorder (ADHD); however, further evaluation revealed a diagnosis of Cerebrotendinous Xanthomatosis (CTX). CTX, a genetic disorder impacting lipid metabolism, is often overlooked in differential diagnoses due to its rarity. This case underscores the importance of considering alternative diagnoses in adults exhibiting ADHD-like symptoms without a childhood history of the disorder, adding to the literature on diagnostic complexities in psychiatric practice.Case presentationA 33-year-old man visited a psychiatric outpatient clinic with symptoms such as increasing distractibility and inattention, requesting an evaluation for adult ADHD. However, the absence of an ADHD history in childhood, coupled with progressive neurological symptoms and tendon xanthomas, led to further investigation. Comprehensive neurological assessments, including neuroimaging and genetic testing, ultimately diagnosed him with CTX. Treatment with chenodeoxycholic acid (CDCA) resulted in stabilization of cognitive function, although improvement in gait disturbances and tremors remained minimal.ConclusionThis case demonstrates that CTX can masquerade as adult ADHD, emphasizing the necessity for thorough assessments in atypical ADHD presentations. Psychiatrists should consider rare metabolic disorders like CTX in similar cases, which may enable timely intervention and improve patient outcomes.https://www.frontiersin.org/articles/10.3389/fpsyt.2025.1528204/fullCerebrotendinous XanthomatosisAttention-Deficit/Hyperactivity Disordercase reportdifferential diagnosisneuropsychiatry
spellingShingle Jongtae Kim
Yun Jeong Hong
Si Baek Lee
Seong Hoon Kim
Myung Ah Lee
Eunbuel Ko
Jeong Wook Park
Case report: Cerebrotendinous Xanthomatosis masquerading as adult ADHD in psychiatric practice
Frontiers in Psychiatry
Cerebrotendinous Xanthomatosis
Attention-Deficit/Hyperactivity Disorder
case report
differential diagnosis
neuropsychiatry
title Case report: Cerebrotendinous Xanthomatosis masquerading as adult ADHD in psychiatric practice
title_full Case report: Cerebrotendinous Xanthomatosis masquerading as adult ADHD in psychiatric practice
title_fullStr Case report: Cerebrotendinous Xanthomatosis masquerading as adult ADHD in psychiatric practice
title_full_unstemmed Case report: Cerebrotendinous Xanthomatosis masquerading as adult ADHD in psychiatric practice
title_short Case report: Cerebrotendinous Xanthomatosis masquerading as adult ADHD in psychiatric practice
title_sort case report cerebrotendinous xanthomatosis masquerading as adult adhd in psychiatric practice
topic Cerebrotendinous Xanthomatosis
Attention-Deficit/Hyperactivity Disorder
case report
differential diagnosis
neuropsychiatry
url https://www.frontiersin.org/articles/10.3389/fpsyt.2025.1528204/full
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