{"title":"Low C0 and normal C16 and C18:1 masking the diagnosis of carnitine palmitoyltransferase II deficiency including a novel CPT2 variant: A case report","authors":"Shuting Wang, Chengming Diao, Junhong Leng","doi":"10.1016/j.arcped.2023.09.010","DOIUrl":null,"url":null,"abstract":"<div><p>The cases were a pair of siblings with a carnitine palmitoyltransferase (CPT2) deficiency detected by tandem mass spectrometry. Their C16 and C18:1 levels were both within the normal range, while C0 was low, and the (C16+C18:1)/C2 ratio was high. Following genetic testing, a novel <em>CPT2</em> gene mutation was identified in both patients. The male patient had a normal growth rate during 5 years of follow-up after treatment. By contrast, the female patient did not take <span>l</span>-carnitine supplements and died after an infectious disease-associated illness when she was 1 year old. These data emphasize the need to raise awareness about CPT2 deficiency so as to correctly diagnose and accurately manage the disease.</p></div>","PeriodicalId":55477,"journal":{"name":"Archives De Pediatrie","volume":null,"pages":null},"PeriodicalIF":1.3000,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S0929693X23001793/pdfft?md5=8e7404a933cb254c7be1592b23a041d9&pid=1-s2.0-S0929693X23001793-main.pdf","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Archives De Pediatrie","FirstCategoryId":"3","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0929693X23001793","RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"PEDIATRICS","Score":null,"Total":0}
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Abstract
The cases were a pair of siblings with a carnitine palmitoyltransferase (CPT2) deficiency detected by tandem mass spectrometry. Their C16 and C18:1 levels were both within the normal range, while C0 was low, and the (C16+C18:1)/C2 ratio was high. Following genetic testing, a novel CPT2 gene mutation was identified in both patients. The male patient had a normal growth rate during 5 years of follow-up after treatment. By contrast, the female patient did not take l-carnitine supplements and died after an infectious disease-associated illness when she was 1 year old. These data emphasize the need to raise awareness about CPT2 deficiency so as to correctly diagnose and accurately manage the disease.
期刊介绍：
Archives de Pédiatrie publishes in English original Research papers, Review articles, Short communications, Practice guidelines, Editorials and Letters in all fields relevant to pediatrics.
Eight issues of Archives de Pédiatrie are released annually, as well as supplementary and special editions to complete these regular issues.
All manuscripts submitted to the journal are subjected to peer review by international experts, and must:
Be written in excellent English, clear and easy to understand, precise and concise;
Bring new, interesting, valid information - and improve clinical care or guide future research;
Be solely the work of the author(s) stated;
Not have been previously published elsewhere and not be under consideration by another journal;
Be in accordance with the journal''s Guide for Authors'' instructions: manuscripts that fail to comply with these rules may be returned to the authors without being reviewed.
Under no circumstances does the journal guarantee publication before the editorial board makes its final decision.
Archives de Pédiatrie is the official publication of the French Society of Pediatrics.
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