Gastro hep advances · 2023
A Bi-Institutional Study of Gastrointestinal and Hepatic Manifestations in Children With PTEN Hamartoma Tumor Syndrome.
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Liu Darren, MacFarland Suzanne P, Yehia Lamis, Duvall Melani M, Mamula Petar, Kurowski Jacob A, Greene Colleen S, Radhakrishnan Kadakkal, Eng Charis
Аннотация
BACKGROUND AND AIMS: PTEN hamartoma tumor syndrome (PHTS) confers a high risk of specific cancers and is the most common genetic cause of autism spectrum disorder (ASD). Gastrointestinal (GI) phenotypes in PHTS are poorly characterized in children. Thus, we aimed to characterize the GI and hepatic manifestations in children with PHTS and to investigate genotype-phenotype associations.
METHODS: We performed a retrospective chart review of prospectively accrued children with PHTS at 2 tertiary-care centers. Wilcoxon rank-sum, Chi-squared, and Fisher's exact tests and Firth's logistic regression were utilized to explore associations between variables.
RESULTS: This series included 80 children with disease-causing PTEN variants. Common GI manifestations included constipation in 41 (51%), feeding issues in 31 (39%), and polyps in 22 (28%) children. The polyps were of mixed histologic types. Eosinophilic gastrointestinal disorders were observed in 5 (6%) children. Crohn's disease, celiac disease, and protein-losing enteropathy were observed once each. Eosinophilic gastrointestinal disorders were observed exclusively in patients without ASD (P = .052). Nonsense PTEN variants were enriched in those with polyps (P = .029). Missense PTEN variants (OR 2.9, P = .034) and upper GI polyps (OR 4.4, P = .018) were associated with increased odds of constipation.
CONCLUSION: Constipation and feeding issues are common in children with PHTS. Polyps are more prevalent in children with PHTS than previously described and associated with nonsense PTEN variants. Children without ASD represent a distinct patient subset with a predisposition to eosinophilic gastrointestinal disorders and possibly upper GI polyps. Endoscopic evaluation should continue to be performed in symptomatic children with PHTS, with consideration of closer follow-up in those without ASD.
METHODS: We performed a retrospective chart review of prospectively accrued children with PHTS at 2 tertiary-care centers. Wilcoxon rank-sum, Chi-squared, and Fisher's exact tests and Firth's logistic regression were utilized to explore associations between variables.
RESULTS: This series included 80 children with disease-causing PTEN variants. Common GI manifestations included constipation in 41 (51%), feeding issues in 31 (39%), and polyps in 22 (28%) children. The polyps were of mixed histologic types. Eosinophilic gastrointestinal disorders were observed in 5 (6%) children. Crohn's disease, celiac disease, and protein-losing enteropathy were observed once each. Eosinophilic gastrointestinal disorders were observed exclusively in patients without ASD (P = .052). Nonsense PTEN variants were enriched in those with polyps (P = .029). Missense PTEN variants (OR 2.9, P = .034) and upper GI polyps (OR 4.4, P = .018) were associated with increased odds of constipation.
CONCLUSION: Constipation and feeding issues are common in children with PHTS. Polyps are more prevalent in children with PHTS than previously described and associated with nonsense PTEN variants. Children without ASD represent a distinct patient subset with a predisposition to eosinophilic gastrointestinal disorders and possibly upper GI polyps. Endoscopic evaluation should continue to be performed in symptomatic children with PHTS, with consideration of closer follow-up in those without ASD.