Pulmonary Alveolar Microlithiasis
Keywords:Black pleura sign, calcium deposition, crazy paving pattern, pulmonary alveolar microlithiasis
AbstractPulmonary alveolar microlithiasis (PAM) is a rare idiopathic disease characterized by microliths in the lungs which is usually asymptomatic and often diagnosed incidentally. Here we discuss a case of a young woman while evaluating for surgery presented with an abnormal chest X ray of bilateral diffuse nodular opacities. Patient was completely asymptomatic. High resolution CT scan revealed crazy paving pattern, black pleura sign, and pleural calcification typical findings of pulmonary alveolar microlithiasis. CT guided lung biopsy confirmed the diagnosis.
Keyword: Black pleura sign; calcium deposition; crazy paving pattern; pulmonary alveolar microlithiasis
J Medicine 2011; 12 : 55-57
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