An ARFID case report assessment with 18F-FDG PET/MRI and treatment with olanzapine, escitalopram and fluoxetine in adult

BackgroundAvoidant/restrictive food intake disorder (ARFID), a DSM-5-introduced eating disorder, is increasingly prevalent and challenging to treat, primarily affecting children and adolescents, with limited adult case reports. This rarity in adults leads to misdiagnosis or underdiagnosis, and treat...

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Main Authors: Meichen Liu, Yiheng Chang, Xueting Xie, Yudan Liu, Shiyun Tian, Chun Yang, Ziqi Zhao, Huimin Zhang
Format: Article
Language:English
Published: Frontiers Media S.A. 2025-01-01
Series:Frontiers in Psychiatry
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Online Access:https://www.frontiersin.org/articles/10.3389/fpsyt.2024.1450800/full
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author Meichen Liu
Yiheng Chang
Xueting Xie
Yudan Liu
Shiyun Tian
Chun Yang
Ziqi Zhao
Huimin Zhang
author_facet Meichen Liu
Yiheng Chang
Xueting Xie
Yudan Liu
Shiyun Tian
Chun Yang
Ziqi Zhao
Huimin Zhang
author_sort Meichen Liu
collection DOAJ
description BackgroundAvoidant/restrictive food intake disorder (ARFID), a DSM-5-introduced eating disorder, is increasingly prevalent and challenging to treat, primarily affecting children and adolescents, with limited adult case reports. This rarity in adults leads to misdiagnosis or underdiagnosis, and treatment experiences are scarce.Case presentationThis report details an adult ARFID case, where the patient’s fear of food intake followed gastric damage from corn ingestion, resulting in a restrictive diet of rice porridge due to gastric pain. The behavior is driven by fear of eating-related adverse effects.ResultBased on clinical symptoms assessment, semi-structured interviews, and comprehensive testing, including PET/MRI scans to exclude secondary conditions, a diagnosis of ARFID was confirmed. ARFID, a newly introduced diagnosis in the DSM-5, is uncommon in adults with sparse case data. Differentiating it from gastrointestinal diseases and other psychiatric conditions is crucial for precise diagnosis and focused treatment.ConclusionIn this paper, we report on the clinical diagnosis, imaging manifestations, treatment, and follow-up of an adult ARFID case, highlighting the utility of neuroimaging in diagnosis and differentiation. It also assesses the therapeutic efficacy of olanzapine, escitalopram oxalate, and fluoxetine hydrobromide, offering clinical guidance for diagnosing and managing ARFID.
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institution Kabale University
issn 1664-0640
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publishDate 2025-01-01
publisher Frontiers Media S.A.
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series Frontiers in Psychiatry
spelling doaj-art-cedd67c6d95948c2b8f58b65379e3ec62025-01-15T11:05:44ZengFrontiers Media S.A.Frontiers in Psychiatry1664-06402025-01-011510.3389/fpsyt.2024.14508001450800An ARFID case report assessment with 18F-FDG PET/MRI and treatment with olanzapine, escitalopram and fluoxetine in adultMeichen Liu0Yiheng Chang1Xueting Xie2Yudan Liu3Shiyun Tian4Chun Yang5Ziqi Zhao6Huimin Zhang7Department of Neurology, the First Affiliated Hospital, Dalian Medical University, Dalian, ChinaDepartment of Neurology, the First Affiliated Hospital, Dalian Medical University, Dalian, ChinaDepartment of Neurology, the First Affiliated Hospital, Dalian Medical University, Dalian, ChinaDepartment of Neurology, the First Affiliated Hospital, Dalian Medical University, Dalian, ChinaDepartment of Radiology, the First Affiliated Hospital, Dalian Medical University, Dalian, ChinaDepartment of Radiology, the First Affiliated Hospital, Dalian Medical University, Dalian, ChinaDepartment of General Surgery, the First Affiliated Hospital, Dalian Medical University, Dalian, ChinaDepartment of Neurology, the First Affiliated Hospital, Dalian Medical University, Dalian, ChinaBackgroundAvoidant/restrictive food intake disorder (ARFID), a DSM-5-introduced eating disorder, is increasingly prevalent and challenging to treat, primarily affecting children and adolescents, with limited adult case reports. This rarity in adults leads to misdiagnosis or underdiagnosis, and treatment experiences are scarce.Case presentationThis report details an adult ARFID case, where the patient’s fear of food intake followed gastric damage from corn ingestion, resulting in a restrictive diet of rice porridge due to gastric pain. The behavior is driven by fear of eating-related adverse effects.ResultBased on clinical symptoms assessment, semi-structured interviews, and comprehensive testing, including PET/MRI scans to exclude secondary conditions, a diagnosis of ARFID was confirmed. ARFID, a newly introduced diagnosis in the DSM-5, is uncommon in adults with sparse case data. Differentiating it from gastrointestinal diseases and other psychiatric conditions is crucial for precise diagnosis and focused treatment.ConclusionIn this paper, we report on the clinical diagnosis, imaging manifestations, treatment, and follow-up of an adult ARFID case, highlighting the utility of neuroimaging in diagnosis and differentiation. It also assesses the therapeutic efficacy of olanzapine, escitalopram oxalate, and fluoxetine hydrobromide, offering clinical guidance for diagnosing and managing ARFID.https://www.frontiersin.org/articles/10.3389/fpsyt.2024.1450800/fullavoidant/restrictive food intake disordermagnetic resonance imagingpositron emission tomographyolanzapineescitalopramfluoxetine
spellingShingle Meichen Liu
Yiheng Chang
Xueting Xie
Yudan Liu
Shiyun Tian
Chun Yang
Ziqi Zhao
Huimin Zhang
An ARFID case report assessment with 18F-FDG PET/MRI and treatment with olanzapine, escitalopram and fluoxetine in adult
Frontiers in Psychiatry
avoidant/restrictive food intake disorder
magnetic resonance imaging
positron emission tomography
olanzapine
escitalopram
fluoxetine
title An ARFID case report assessment with 18F-FDG PET/MRI and treatment with olanzapine, escitalopram and fluoxetine in adult
title_full An ARFID case report assessment with 18F-FDG PET/MRI and treatment with olanzapine, escitalopram and fluoxetine in adult
title_fullStr An ARFID case report assessment with 18F-FDG PET/MRI and treatment with olanzapine, escitalopram and fluoxetine in adult
title_full_unstemmed An ARFID case report assessment with 18F-FDG PET/MRI and treatment with olanzapine, escitalopram and fluoxetine in adult
title_short An ARFID case report assessment with 18F-FDG PET/MRI and treatment with olanzapine, escitalopram and fluoxetine in adult
title_sort arfid case report assessment with 18f fdg pet mri and treatment with olanzapine escitalopram and fluoxetine in adult
topic avoidant/restrictive food intake disorder
magnetic resonance imaging
positron emission tomography
olanzapine
escitalopram
fluoxetine
url https://www.frontiersin.org/articles/10.3389/fpsyt.2024.1450800/full
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