Pulmonary Alveolar Microlithiasis, or Calcinosis of the Lungs

Abstract

PULMONARY alveolar microlithiasis is a rare and extraordinary disease in which microscopic stones are found within the pulmonary alveoli. The lungs, which are heavy and stony hard, cut with the greatest of difficulty. As far as can be determined this disease was first described by Friedreich¹ in 1856; its present name was originally used by Puhr² in 1933.The case presented below is the third to appear in the English language.Case ReportA 45-year-old Scottish chauffeur was first seen on January 2, 1942, because of abnormal pulmonary shadows on routine x-ray examination of the chest. He had been a . . .