Diagnostic Division,Republican Scientific and Practical Center of Pediatric Surgery,Minsk 220113,Belarus;
Department of Elective Surgery,Republican Scientific and Practical Center of Pediatric Surgery,Minsk 220113,Belarus;
Department of Pediatric Surgery,Republican Scientific and Practical Center of Pediatric Surgery,Minsk 220013,Belarus;
Blue rubber bleb nevus syndrome; Bean syndrome; Single-balloon enteroscopy; Children; Vascular malformations; Gastrointestinal tract; Sclerotherapy; Aethoxysklerol foam; Case report;