Intestinal vascular anomalies in children.

Abstract:

:Vascular anomalies are an uncommon cause of gastrointestinal bleeding in childhood. Confusing nomenclature has made objective comparisons of published cases difficult and has interfered with an established consensus regarding diagnosis and therapeutic modalities. The purpose of this study was to clarify the situation by reviewing the records of all children who had intestinal vascular anomalies who were referred to our institution from 1975 to 1995. Thirteen lesions were identified in nine children (five boys and four girls). The median age at clinical onset was 8 years. Only two patients presented with a complex syndrome (Klippel-Trenaunay, 1; Osler-Rendu-Weber, 1). Diagnosis, location, and extension of these anomalies was only possible by angiography, which indicated that seven patients had isolated venous malformations and two had arteriovenous malformations. Because the lesions did not involve the serosa, intraoperative localization was a major problem. The main findings were a few slightly dilated mesenteric veins. Treatment was conservative in four children and surgical in five. Pathological findings on resected bowel demonstrated dilated and abnormal veins in the mucosa and submucosa. Selective angiography should not be delayed in patients with gastrointestinal bleeding if results of all other investigations are negative. Because these lesions are rarely recognizable on operative inspection, precise preoperative angiographic localization of intestinal vascular anomalies is essential to allow for a safe and limited resection of the involved bowel segment. Based on a better understanding of the natural history of these lesions, a classification of vascular anomalies of intestines in children is proposed.

journal_name

J Pediatr Surg

authors

Frémond B,Yazbeck S,Dubois J,Brochu P,Garel L,Ouimet A

doi

10.1016/s0022-3468(97)90640-0

subject

Has Abstract

pub_date

1997-06-01 00:00:00

pages

873-7

issue

6

eissn

0022-3468

issn

1531-5037

pii

S0022-3468(97)90640-0

journal_volume

32

pub_type

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