[Diffuse pulmonary microlithiasis (a clinical case)]. / Microlitiasi polmonare diffusa (il caso clinico).

The authors present a clinical case pertinent to a patient suffering from persistent dry cough and dyspnea by effort. It is described the diagnostic course that enables to identify a diffuse pulmonary microlithiasis, of rare cheeking, whose pathogenetic hypotheses and differential problems are tackled.