Down Syndrome Has Progressively in Surgery — Case | Pediatric Surgery | SMLE Q#6659
SMLE Question #6659
Surgery
Pediatric Surgery
Objective: OBJ-1758
Last updated: February 2026
A 12-week-old boy with Down syndrome has a progressively enlarging, soft, compressible mass in the left posterolateral neck extending into the axilla. The mass transilluminates. Ultrasound shows a multiloculated, predominantly macrocystic lesion consistent with a lymphatic malformation. He is feeding well with no stridor or respiratory distress. What is the most appropriate definitive management?
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