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Research Article Open access CC BY 4.0

Pulmonary Alveolar Microlithiasis: About Two Cases

N. Zaghba, H. Harraz, K. Chaanoun, H. Benjelloun, N. Yassine

Journal of Advances in Medicine and Medical Research · pp. 63–67 · Published 27 May 2022

10.9734/jammr/2022/v34i1731418

Abstract

Alveolar microlithiasis (AML) is a rare condition characterized by the accumulation of calcium concretions in the pulmonary alveolar lumen. We report two cases of AML, suspected on chest radiography and confirmed by chest CT scan with pathognomonic appearance and transbronchial lung biopsy. ALM is often asymptomatic in contrast to the importance of the characteristic radiological lesions. The etiology of this pathology is unknown, but a genetic origin with the autosomal recessive transmission is suspected with mutation of the SLC34A2 gene.

Alveolar microlithiasis calcospheritis imaging pulmonary calcifications SLC34A2 gene

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