Atresia of small intestine (Q46350): Difference between revisions
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Atresias e estenoses jejunoileais são causas importantes de obstrução intestinal neonatal. Atresia se refere a uma obstrução congênita com oclusão completa da luz intestinal. Responde por 95% das obstruções. Quatro tipos de atresias jejunoileais estão descritas. Elas podem variar de uma pequena área de bloqueio ou véu até ausência de grandes seções do intestino._x000D_ Atresia intestinal é uma das causas mais frequentes de obstrução intestinal no recém-nascido. A atresia ileal é mais comum do que a atresia jejunal, e múltiplos focos são mais comuns do que uma atresia isolada. A teoria mais aceita quanto à etiologia da atresia jejunoileal é a de um acidente vascular intrauterino resultando em necrose do segmento afetado._x000D_ Estenose, por outro lado, refere-se a uma oclusão parcial com obstrução incompleta e responde pelos 5% restantes dos casos. A estenose apresenta um mesentério intacto e é um estreitamento localizado do intestino. Não existe perda de continuidade do lúmen. | |||||||||||||||
| description / en | description / en | ||||||||||||||
Jejunoileal atresias and stenoses are major causes of neonatal intestinal obstruction. Atresia refers to a congenital obstruction with complete occlusion of the intestinal lumen. It accounts for 95% of obstructions. Four types of jejunoileal atresias are described. They can range from having a small area of blockage or web to missing large sections of the intestines. Intestinal atresia is one of the most frequent causes of bowel obstruction in the newborn. The ileal atresia is more common than jejunal atresia, and multiple foci are more common than isolated atresia. The most accepted theory regarding the etiology of jejunoileal atresia is that of an intrauterine vascular accident resulting in necrosis of the affected segment. Stenosis, on the other hand, refers to a partial occlusion with incomplete obstruction and accounts for the remaining 5% of cases. A stenosis has an intact mesentery and is a localised narrowing of the bowel. No loss of continuity of the lumen exists. | |||||||||||||||
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| Property / Canonical URI: https://id.who.int/icd/entity/1949256262 / rank | |||||||||||||||
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CID11:LB15.1 | |||||||||||||||
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dki-india-LB15.1 | |||||||||||||||
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| Property / Knowledge Architect: https://pauloleads.com.br/cases-publicos/ / rank | |||||||||||||||
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13 August 2026
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| Property / Collection date: 13 August 2026 / rank | |||||||||||||||
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| Property / Linked ICD 10: ICD Q258 / rank | |||||||||||||||
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Latest revision as of 14:52, 13 August 2026
Jejunoileal atresias and stenoses are major causes of neonatal intestinal obstruction. Atresia refers to a congenital obstruction with complete occlusion of the intestinal lumen. It accounts for 95% of obstructions. Four types of jejunoileal atresias are described. They can range from having a small area of blockage or web to missing large sections of the intestines. Intestinal atresia is one of the most frequent causes of bowel obstruction in the newborn. The ileal atresia is more common than jejunal atresia, and multiple foci are more common than isolated atresia. The most accepted theory regarding the etiology of jejunoileal atresia is that of an intrauterine vascular accident resulting in necrosis of the affected segment. Stenosis, on the other hand, refers to a partial occlusion with incomplete obstruction and accounts for the remaining 5% of cases. A stenosis has an intact mesentery and is a localised narrowing of the bowel. No loss of continuity of the lumen exists.
| Language | Label | Description | Also known as |
|---|---|---|---|
| default for all languages | LB15.1 |
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| English | Atresia of small intestine |
Jejunoileal atresias and stenoses are major causes of neonatal intestinal obstruction. Atresia refers to a congenital obstruction with complete occlusion of the intestinal lumen. It accounts for 95% of obstructions. Four types of jejunoileal atresias are described. They can range from having a small area of blockage or web to missing large sections of the intestines. Intestinal atresia is one of the most frequent causes of bowel obstruction in the newborn. The ileal atresia is more common than jejunal atresia, and multiple foci are more common than isolated atresia. The most accepted theory regarding the etiology of jejunoileal atresia is that of an intrauterine vascular accident resulting in necrosis of the affected segment. Stenosis, on the other hand, refers to a partial occlusion with incomplete obstruction and accounts for the remaining 5% of cases. A stenosis has an intact mesentery and is a localised narrowing of the bowel. No loss of continuity of the lumen exists. |
Statements
CID11:LB15.1
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dki-india-LB15.1
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Concluído
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13 August 2026
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