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Samango-Sprouse CA, Hamzik MP, Rosenbaum K, Khaksari K, Mitchell F, Kommareddi R, Brooks MR, Tipton E, Sadeghin T, Gropman AL. Case Report: A Case Study on the Neurodevelopmental Profile of a Child With Pallister-Killian Syndrome and His Unaffected Twin. Front Pediatr 2022; 10:817133. [PMID: 35372156 PMCID: PMC8965074 DOI: 10.3389/fped.2022.817133] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Accepted: 01/21/2022] [Indexed: 11/21/2022] Open
Abstract
Pallister-Killian syndrome is an uncommon genetic disorder that has broad developmental and multisystemic effects. While medical complications are widely reported throughout the literature, research on the neurodevelopmental profile has been limited. Case reports make up the majority of the few existing studies regarding the neurodevelopmental phenotype associated with this disorder. The current case report describes a 3-year-old male with Pallister-Killian syndrome (AF), reports the neurodevelopmental evaluation of his unaffected twin brother (MF), and outlines the results of an optical imaging study on both boys. AF presents with severe developmental delays, however, he ambulates with support and engages in conversation using his communication device. Most severely impaired was AF's speech and expressive language, with childhood apraxia of speech (CAS) as a possible explanation for these severe deficits. MF, the sibling, demonstrated neurotypical abilities and often advanced scores for his age. Both subjects completed a functional near-infrared spectroscopy (fNIRS) study, revealing decreased temporal and frontal lobe function in AF and typical functioning in MF. This case report expands on the existing literature on PKS by describing variances in fraternal twin presentation and novel reporting on fNIRS findings in both boys.
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Affiliation(s)
- Carole A Samango-Sprouse
- Department of Pediatrics, George Washington University, Washington, DC, United States.,Department of Human and Molecular Genetics, Florida International University, Miami, FL, United States.,Department of Research, The Focus Foundation, Davidsonville, MD, United States
| | - Mary P Hamzik
- Department of Research, The Focus Foundation, Davidsonville, MD, United States
| | - Kenneth Rosenbaum
- Division of Genetics and Metabolism, Children's National Health System, Washington, DC, United States
| | - Kosar Khaksari
- Department of Research, The Focus Foundation, Davidsonville, MD, United States
| | - Francie Mitchell
- Department of Research, The Focus Foundation, Davidsonville, MD, United States
| | - Ritika Kommareddi
- Department of Research, The Focus Foundation, Davidsonville, MD, United States
| | - Michaela R Brooks
- Department of Research, The Focus Foundation, Davidsonville, MD, United States
| | - Elizabeth Tipton
- Department of Research, The Focus Foundation, Davidsonville, MD, United States
| | - Teresa Sadeghin
- Department of Research, The Focus Foundation, Davidsonville, MD, United States
| | - Andrea L Gropman
- Division of Neurogenetics and Developments Pediatrics, Children's National Health System, Washington, DC, United States.,Department of Neurology, George Washington University, Washington, DC, United States
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