IntroductionSwyer-James-MacLeod syndrome or unilateral hyperlucent lung syndrome is a rare entity associated with postinfectious bronchiolitis obliterans occurring in childhood. It is characterized by hypoplasia and/or agenesis of the pulmonary arteries resulting in pulmonary parenchyma hypoperfusion.Case presentationHere we report the case of a 53-year-old Caucasian woman with Swyer-James-MacLeod syndrome found in the differential diagnosis workup for a new onset of heart failure, secondary to pulmonary arterial hypertension complicated by a patent ductus arteriosus.ConclusionTypically, this disorder is diagnosed in childhood after evaluation for recurrent respiratory infections, but sometimes an indolent course means diagnosis is not made until adulthood.
Os autores apresentam o caso de uma doente de 45 anos, portadora de síndroma de Down, com antecedentes conhecidos de DPOC e múltiplos internamentos hospitalares, no contexto de agudização da sua doença pulmonar de base. Os factos reportam-se ao seu último internamento, cujo motivo, interpretado a priori como mais um episódio de agudização, depois da reavaliação clínica cuidadosa e da utilização de meios complementares de diagnóstico apropriados, se revelou ficar a dever-se a causa pouco usual.
The authors present the case of a 45 -year -old female patient with Down syndrome, and known past medical history of COPD with multiple hospital admissions in the context of exacerbation of his lung disease. The facts refer to his latest hospitalization, whose motive, prior interpreted as a further exacerbation episode, after careful clinical reassessment and use of appropriate additional means of diagnosis, appeared to be due to an unusual cause. By presenting this case, the authors call the attention to the difficulty presented by particular situations, as well as to the risks of uncritical acceptance of common diagnoses.
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