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Fig. 1 | BMC Pulmonary Medicine

Fig. 1

From: Propionibacterium acnes-associated sarcoidosis complicated by acute bird-related hypersensitivity pneumonitis

Fig. 1

Clinical course. Thirty years before admission, the patient started keeping more than 300 pigeons for competition, and although the number gradually decreased by April 2016, it rapidly increased up to 130 in the year before admission (March 2017). Given that dyspnea, ground-glass opacities on chest CT, and elevated serum level of KL-6 improved without medication during a 2-week admission, diagnosis was P. acnes-associated sarcoidosis complicated by acute bird-related HP. After discharge, he stopped keeping pigeons and regularly visits a respiratory physician without disease recurrence

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