Pigeon breeder's lung in childhood: Varied clinical picture at presentation

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Abstract
Extrinsic allergic alveolitis occurs rarely in childhood. We present 5 cases and briefly review the literature regarding this condition in the pediatric population. This report includes all cases (n = 5) of extrinsic allergic alveolitis known to have occurred in childhood on Malta. All cases were males, and were initially misdiagnosed as having other respiratory illnesses or mental disturbances. The diagnosis was based on a history of exposure to birds, clinical findings, positive avian precipitins, a restrictive defect on pulmonary function tests, and a suggestive chest X‐ray appearance. All were treated with high‐dose oral steroids for 3–4 weeks, with excellent response. Although these patients appear to have suffered no long‐term sequelae, delayed diagnosis can lead to irreversible pulmonary fibrosis. The diagnosis of extrinsic allergic alveolitis should be entertained early in the differential diagnosis of children presenting with unusual respiratory symptoms and signs. Pediatr Pulmonol. 2000; 30:145–148.

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