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Congenital intestinal atresias with multiple episodes of sepsis: A case report and review of literature.

ABSTRACT: Hereditary multiple intestinal atresia associated with severe combined immunodeficiency (MIA-SCID) is a very rare disease caused by deleterious mutations in the tetratricopeptide repeat domain-containing protein 7A gene TTC7A. It is characterized by intestinal obstruction, sepsis, and a poor prognosis. Insights into phenotype-genotype correlations could help to guide genetic counseling and increase our knowledge of the natural history of this disease.We report the case of a newborn in which his fetal magnetic resonance imaging showed jejunal atresia and microcolon and an abdominal x-ray at birth confirmed intestinal obstruction. The clinical course was complicated by multiple episodes of sepsis, and laboratory investigations showed SCID. The genetic analysis identified a homozygous c.53344_53347 mutation in the TTC7A gene compatible with MIA-SCID syndrome. The patient required 3 operations because of new intestinal atresias in the first months of life. She underwent bone marrow transplantation at 8 months of age but died of liver failure secondary to graft-versus-host disease.Immunologic assessment and genetic screening for TTC7A mutations are important in patients with MIA. Greater knowledge of the functions of the TTC7A protein will have important therapeutic implications for patients with MIA-SCID syndrome.

SUBMITTER: Mandia N

PROVIDER: S-EPMC5999454 | biostudies-literature | 2018 Jun

REPOSITORIES: biostudies-literature

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Congenital intestinal atresias with multiple episodes of sepsis: A case report and review of literature.

Mandiá Natalia N Pérez-Muñuzuri Alejandro A López-Suárez Olalla O López-Sanguos Carolina C Bautista-Casanovas Adolfo A Couce Mariá-Luz ML

Medicine 20180601 23

<h4>Introduction</h4>Hereditary multiple intestinal atresia associated with severe combined immunodeficiency (MIA-SCID) is a very rare disease caused by deleterious mutations in the tetratricopeptide repeat domain-containing protein 7A gene TTC7A. It is characterized by intestinal obstruction, sepsis, and a poor prognosis. Insights into phenotype-genotype correlations could help to guide genetic counseling and increase our knowledge of the natural history of this disease.<h4>Case presentation</h ...[more]

PMID: 29879038

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Project description:BackgroundIntestinal Ganglioneuromatosis (IG) is a rare disorder of the enteric nervous system. In pediatric age it is often associated with genetic syndromes such as Neurofibromatosis 1 (NF1), multiple endocrine neoplasia type 2B (MEN2B) and Cowden syndrome (PTEN mutation), and ganglioneuromas (GNs) may be sometimes the first sign of the disease. Isolated GNs are rare and sporadic. Clinical symptom vary and depend on the size and on the location of the GNs. This disorder affects intestinal motility and it, consequently, causes changes in bowel habits, abdominal pain, occlusive symptoms and rarely lower gastrointestinal bleeding secondary to ulceration of the intestinal mucosa. On the other hand, patients can remain asymptomatic for many years.Case presentationWe describe a 9-year-old boy referred to our emergency department for right lower quadrant abdominal pain. No familial history for gastrointestinal disorders. No history of fever or weight loss. At physical examination, he had diffused abdominal pain. Abdominal ultrasonography showed a hypoechoic formation measuring 41.8 mm by 35 mm in the right lower quadrant of the abdomen. Routine blood tests were normal, but fecal occult blood test was positive. Abdominal TC confirmed the hypodense formation, of about 5 cm in transverse diameter, in the right hypochondrium that apparently invaginated in the caecum-last ileal loop. Colonoscopy showed in the cecum an invaginated polypoid lesion of the terminal ileal loop. Laparoscopic resection of the polypoid lesion was performed. Histological diagnosis of the large neoplasm observed in the terminal ileum was diffuse ganglioneuromatosis. NF1, RET and PTEN gene tests resulted negative for specific mutations. At the 1 year follow-up, the patient presented good general condition and blood tests, fecal occult blood test, esophagogastroduodenoscopy, colonoscopy and MR-enterography were negative.ConclusionsOnly few cases are reported in literature of IG in pediatric age. Although rare, the present case suggests that this disorder must be taken in consideration in every patient with GI symptoms such as abdominal pain, constipation, lower intestinal bleeding, in order to avoid a delayed diagnosis.

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Congenital intestinal atresias with multiple episodes of sepsis: A case report and review of literature.

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Congenital intestinal atresias with multiple episodes of sepsis: A case report and review of literature.

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