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KMID : 0882420150890030335
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Korean Journal of Medicine
2015 Volume.89 No. 3 p.335 ~ p.339
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A Case of Desquamative Interstitial Pneumonia with an Increased Number of Eosinophils in Bronchoalveolar Lavage Fluid
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Choi Yu-Hee
Kim Tae-Hyun
Kang Lae-Hyung
Kim Hyeong-Jin
Jang Jin-Ho
Shin Dong-Hoon
Jeon Doo-Soo
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Abstract
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Here, we present a case of desquamative interstitial pneumonia (DIP) that was initially misdiagnosed as chronic eosinophilic pneumonia due to an increased number of eosinophils in the bronchoalveolar lavage fluid (BALF). A 56-year-old male smoker presented with a productive cough that had been present for 1 month. High-resolution computed tomography (HRCT) revealed multifocal patchy ground-glass and reticular opacities in the subpleural area. BALF analysis revealed an elevated level of eosinophils (37%). Thus, the patient was initially diagnosed with chronic eosinophilic pneumonia and was administered prednisolone (0.5 mg/kg/day). However, his symptoms and the diffuse infiltrative shadows on HRCT did not improve after 2 months of treatment, and a video-assisted thoracoscopic lung biopsy led to the diagnosis of DIP. Prednisolone (1 mg/kg/day) was administered again, and the patient’s symptoms improved. At 1 year after the end of treatment, the patient remained symptom-free.
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KEYWORD
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Idiopathic interstitial pneumonias, Bronchoalveolar lavage, Eosinophils
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