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Atypical radiological manifestations of pulmonary Langerhans cell histiocytosis in a 12-year-old girl

¹ Department of Radiology, Konkuk University Hospital, Konkuk University School of Medicine, Seoul and Departments of , ² Pediatrics, ³ Radiology and ⁴ Pathology, Keimyung University School of Medicine, Dongsan Medical Center, Daegu, Korea

Correspondence: Sung-Min Ko, Department of Radiology, Konkuk University Hospital, Konkuk University School of Medicine, 4–12 Hwayang-dong, Gwangjin-gu, Seoul, 143–701, Korea. E-mail: ksm9723{at}yahoo.co.kr

Pulmonary Langerhans cell histiocytosis is a rare pulmonary disease that typically affects cigarette smokers from 30–40 years of age onwards. It is very rare in children, especially for those under 15 years of age. We report an atypical radiological manifestation of isolated pulmonary Langerhans cell histiocytosis in a 12-year-old girl that showed multifocal consolidation and multiple small nodules on an initial chest radiograph, and gradual fibrotic change with multiple cysts on follow-up chest radiographs and CT scans.