Pediatric Pulmonary Alveolar Microlithiasis: A Case Report

Payam Mehrian, Soheila Khalilzadeh, Maryam Hassanzad*, Zeinab Hasani, Sabereh Tashayoie Nejad, and Ali Akbar Velayati

Pediatric Respiratory Diseases Research Centre, NRITLD, Masih Daneshvari Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran

Pulmonary alveolar microlithiasis is a rare infiltrative pulmonary disease characterized by deposition of microliths in the alveoli. In this case report, we present a case of a 5 year-old girl with complaints of common cold and loss of appetite. Chest radiograph showed innumerable small, dense nodules, diffusely involving both lungs. High-resolution CT scan illustrated widespread micronodular infiltration, diffuse ground-glass attenuation areas predominantly in upper anterior regions and septal thickening. Trans-bronchial biopsy confirmed the diagnosis.
Key words: Microlithiasis, Pulmonary, Pediatric

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Tanaffos 2013; 12(4): 58-60