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Pediatrische abdominale urgenties - Surgery.ugent.be

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© 2008 Universitair Ziekenhuis Gent<br />

Invaginatie: Definitie<br />

instulpen proximale in distale darm<br />

90% ileocolisch → idiopatische invaginatie (t.g.v. hypertrofie<br />

Peyerse platen, vaak na/ t.g.v. respiratoire/ gastroïntestinale<br />

infectie)<br />

10% t.g.v. pathologisch “lead point” (> Meckels divertikel,<br />

appendix, poliep, carcinoïd tumor, Henoch Schönlein, non<br />

Hodgkin lymfoma,…)<br />

Veneuze stuwing → oedeem darmwand → arteriële<br />

insufficiëntie → darmnecrose<br />

32

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