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KMID : 0880420130140050859
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Korean Journal of Radiology
2013 Volume.14 No. 5 p.859 ~ p.862
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Sandstorm Appearance of Pulmonary Alveolar Microlithiasis Incidentally Detected in a Young, Asymptomatic Male
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Chng Li Shyan
Bux Shaik Ismail
Liam Chong Kin
Rahman Nazarina Abdul
Ho Choon Yan
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Abstract
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Pulmonary alveolar microlithiasis (PAM) is a rare chronic disease with paucity of symptoms in contrast to the imaging findings. We present a case of a 24-year-old Malay man having an incidental abnormal pre-employment chest radiograph of dense micronodular opacities giving the classical "sandstorm" appearance. High-resolution computed tomography of the lungs showed microcalcifications with subpleural cystic changes. Open lung biopsy showed calcospherites within the alveolar spaces. The radiological and histopathological findings were characteristic of PAM.
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KEYWORD
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Pulmonary alveolar microlithiasis, High resolution computed tomography, Calcospherites
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