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1.
Int J Infect Dis ; 107: 59-61, 2021 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-33872781

RESUMO

We report this rare case of cerebral phaeohyphomycosis in a previously healthy Chinese boy, who was found to have caspase recruitment domain family member 9 (CARD9) deficiency. Initial radiological features suggested a neoplastic cerebral lesion, while histopathological examination supplemented by internal transcribed sequencing (ITS) of cerebral tissue confirmed the diagnosis of phaeohyphomycosis. He was treated with intravenous (IV) liposomal amphotericin B and voriconazole, guided by plasma and cerebrospinal fluid (CSF) level monitoring at drug initiation. At the 1 year follow-up, the patient demonstrated near complete neurological and radiological recovery.


Assuntos
Candidíase Mucocutânea Crônica/diagnóstico , Feoifomicose Cerebral/diagnóstico , Administração Intravenosa , Anfotericina B/administração & dosagem , Antifúngicos/administração & dosagem , Proteínas Adaptadoras de Sinalização CARD/genética , Candidíase Mucocutânea Crônica/tratamento farmacológico , Feoifomicose Cerebral/tratamento farmacológico , Feoifomicose Cerebral/microbiologia , Feoifomicose Cerebral/cirurgia , Criança , China , Humanos , Masculino , Mutação de Sentido Incorreto , Radiografia/métodos , Resultado do Tratamento , Voriconazol/administração & dosagem
2.
Int J Pediatr Endocrinol ; 2020: 13, 2020.
Artigo em Inglês | MEDLINE | ID: mdl-32670376

RESUMO

BACKGROUND: Beckwith-Wiedemann syndrome (BWS) is an overgrowth syndrome with variable clinical phenotype and complex molecular aetiology. It is mainly caused by dysregulation of the chromosome 11p15 imprinted region, which results in overgrowth in multiple tissues, often in a mosaic manner. CASE PRESENTATION: A large-for-gestational-age infant without any other somatic features of BWS presented with medically refractory hyperinsulinism (HI) requiring 80% pancreatectomy. Next generation sequencing with congenital HI sequencing panel identified a pathogenic ABCC8:c.1792C > T (p.Arg598Ter) variant of paternal origin, suggestive of focal HI. However, pancreatic histology revealed atypical findings of coalescing nests and trabeculae of adenomatosis scattered with islets with isolated enlarged, hyperchromatic nuclei scattered throughout the pancreas. Methylation analysis, SNP-based chromosomal microarray and short tandem repeat markers analysis revealed mosaic segmental paternal uniparental disomy (UPD) 11p15.5-p15.1 in the pancreatic tissue, but not the peripheral blood, suggestive of BWS/BW-spectrum HI. CONCLUSIONS: This case highlights the importance of integrating the clinical presentation and subsequent clinical course, together with radiological, genetic and histological findings in the definitive diagnosis of this rare yet clinically important entity. In addition, this is the first report that demonstrated the level of paternal inherited c.1792 T pathogenic variant in the pancreatic tissue being directly correlated to the mosaic level of pUPD.

3.
NPJ Genom Med ; 4: 18, 2019.
Artigo em Inglês | MEDLINE | ID: mdl-31396399

RESUMO

Primary coenzyme Q10 deficiency-7 (COQ10D7) is a rare mitochondrial disease caused by biallelic mutations in COQ4. Here we report the largest cohort of COQ10D7 to date, with 11 southern Chinese patients confirmed with biallelic COQ4 mutations. Five of them have the classical neonatal-onset encephalo-cardiomyopathy, while the others have infantile onset with more heterogeneous clinical presentations. We also identify a founder mutation COQ4 (NM_016035.5): c.370G>A, p.(Gly124Ser) for COQ10D7, suggesting a higher chance of occurrence in the southern Chinese. This study helps improve understanding of the clinical spectrum of this disorder.

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