Ethylmalonic encephalopathy masquerading as meningococcemia.

IF 1.8 Q3 MEDICINE, RESEARCH & EXPERIMENTAL Cold Spring Harbor Molecular Case Studies Pub Date : 2022-03-24 Print Date: 2022-02-01 DOI:10.1101/mcs.a006193
Ari Horton, Kai Mun Hong, Dinusha Pandithan, Meredith Allen, Caroline Killick, Stacy Goergen, Amanda Springer, Dean Phelan, Melanie Marty, Rebecca Halligan, Joy Lee, James Pitt, Belinda Chong, John Christodoulou, Sebastian Lunke, Zornitza Stark, Michael Fahey
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引用次数: 3

Abstract

Ethylmalonic encephalopathy (MIM #602473) is a rare autosomal recessive metabolic condition caused by biallelic variants in ETHE1 (MIM #608451), characterized by global developmental delay, infantile hypotonia, seizures, and microvascular damage. The microvascular changes result in a pattern of relapsing spontaneous diffuse petechiae and purpura, positional acrocyanosis, and pedal edema, hemorrhagic suffusions of mucous membranes, and chronic diarrhea. Here, we describe an instructive case in which ethylmalonic encephalopathy masqueraded as meningococcal septicemia and shock. Ultrarapid whole-genome testing (time to result 60 h) and prompt biochemical analysis facilitated accurate diagnosis and counseling with rapid implementation of precision treatment for the metabolic crisis related to this condition. This case provides a timely reminder to consider rare genetic diagnoses when atypical features of more common conditions are present, with an early referral to ensure prompt biochemical and genomic diagnosis.

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乙基丙二酸脑病伪装成脑膜炎球菌病。
乙基丙二酸脑病(MIM #602473)是一种罕见的常染色体隐性代谢疾病,由ETHE1 (MIM #608451)的双等位基因变异引起,其特征是整体发育迟缓、婴儿性肌张力低下、癫痫发作和微血管损伤。微血管的改变导致自发性弥漫性瘀点和紫癜、位置性肢绀、足部水肿、粘膜出血性充血和慢性腹泻的复发。在这里,我们描述一个指导性的情况下,乙基丙二酸脑病伪装成脑膜炎球菌败血症和休克。超快速全基因组检测(60小时结果)和及时的生化分析有助于准确诊断和咨询,并快速实施与该疾病相关的代谢危机的精准治疗。这个病例提供了一个及时的提醒,当出现更常见的疾病的非典型特征时,要考虑罕见的遗传诊断,早期转诊以确保及时的生化和基因组诊断。
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来源期刊
Cold Spring Harbor Molecular Case Studies
Cold Spring Harbor Molecular Case Studies MEDICINE, RESEARCH & EXPERIMENTAL-
CiteScore
3.20
自引率
0.00%
发文量
54
期刊介绍: Cold Spring Harbor Molecular Case Studies is an open-access, peer-reviewed, international journal in the field of precision medicine. Articles in the journal present genomic and molecular analyses of individuals or cohorts alongside their clinical presentations and phenotypic information. The journal''s purpose is to rapidly share insights into disease development and treatment gained by application of genomics, proteomics, metabolomics, biomarker analysis, and other approaches. The journal covers the fields of cancer, complex diseases, monogenic disorders, neurological conditions, orphan diseases, infectious disease, gene therapy, and pharmacogenomics. It has a rapid peer-review process that is based on technical evaluation of the analyses performed, not the novelty of findings, and offers a swift, clear path to publication. The journal publishes: Research Reports presenting detailed case studies of individuals and small cohorts, Research Articles describing more extensive work using larger cohorts and/or functional analyses, Rapid Communications presenting the discovery of a novel variant and/or novel phenotype associated with a known disease gene, Rapid Cancer Communications presenting the discovery of a novel variant or combination of variants in a cancer type, Variant Discrepancy Resolution describing efforts to resolve differences or update variant interpretations in ClinVar through case-level data sharing, Follow-up Reports linked to previous observations, Plus Review Articles, Editorials, and Position Statements on best practices for research in precision medicine.
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