A case of severe malnutrition infant with neonatal-onset int
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Congenital tufting enteropathy (CTE) is a rare disease that manifests as intractable diarrhea during the neonatal period which is associated with mutations of the epithelial cell adhesion molecule (EpCAM) gene.

A male infant who presented with vomiting, diarrhea, abdominal distention, malnutrition, and growth failure was admitted to our department when he was 2 months old. His parents were healthy and nonconsanguineous. Etiologic examinations of stool, inflammatory markers, blood gas and electrolytes levels, serum albumin level, serum immunoglobin levels were all normal. And there was no indication for metabolic diseases. Additionally, gastrointestinal contrast did not reveal the abnormality of gastrointestinal. The patient was diagnosed with intestinal malabsorptive syndrome and severe malnutrition without a definite cause. He was on supportive treatment and nutritional therapy for 13 months. However, he did not gain weight obviously. He was discharged at the age of 15 months and was fed with partial hydrolyzed formula and rice paste at home. Three months later he developed hypoglycemia and severe respiratory infection. Finally, he died due to sepsis and multiple organs failure. The next-generation sequencing revealed one homozygous mutation of the EpCAM gene and one complex heterozygous mutation of the TTC7A gene. He was diagnosed CTE according to the genetic results and clinical manifestations.

In summary, CTE is rarely reported in Asia. Patients present with congenital diarrhea, poor weight gain and growth failure are recommended to perform endoscopy examination with proper immunohistochemistry study as early as possible, and genetic testing is necessary when suspecting congenital diarrhea and enteropathy.

Source:https://bmcpediatr.biomedcentral.com/articles/10.1186/s12887-020-1999-0
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