Pulmonary Pseudosequestration in a Child with Down Syndrome: First Reported Case

This case report describes the first documented occurrence of intralobar pulmonary pseudosequestration in a female infant with Down syndrome who presented with acute respiratory distress from RSV infection. The authors discuss the likely shared developmental mechanisms between Down syndrome and congenital pulmonary malformations, emphasizing the clinical importance of screening for these conditions in DS patients with recurrent respiratory symptoms.