Cryptogenic organizing pneumonia (COP) is a rare entity in childhood, particularly in previously healthy children. Moreover, the spontaneous remission of the disease is exceptional. We report on the case of a previously healthy 10-year-old girl who consulted her doctor for a 2-month history of mild pyrexia, fatigue, weight loss, and exertional dyspnea with no response to amoxicillin. A chest CT revealed bilateral, asymmetrical peribronchovascular consolidation areas predominating in the lower lobes and imaging features of COP. The bronchoalveolar lavage and the biological findings were negative. On follow-up, the girl showed clinical and radiological remission of the disease with no treatment. Our report describes an extremely rare case of spontaneously resolving COP in a child, the diagnosis being made based on the imaging pattern.
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