[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.

[Roundish opacity of the right lung (a clinical case)]. / Opacità rotondeggiante del polmone destro (caso clinico).

The authors describe a rare case of pulmonary hamartomyxoma observed by them as a secluded roundish opacity (coin lesion) in the middle right thoracic region. After reporting an accurate anatomic-radiology can description of the lesion, they expose the histogenesis and the classification attempts concerning the chapter about "hamartomas" through an ample revision of the cases reported in the last years.