Suggestions for the Diagnostic Study of a Patient with an Abnormal X-Ray Shadow of the Chest  JOHN F. BRIGGS, M.D., F.C.C.P., F.A.C.P.  Diseases of the Chest  Volume 20, Issue 1, Pages 24-34 (July 1951) DOI: 10.1378/chest.20.1.24 Copyright © 1951 The American College of Chest Physicians Terms and Conditions

CASE 1a An instance of atypical pneumonitis associated with hemoptysis that was believed to be pulmonary tuberculosis. At the time upper respiratory infections were common in the community. Diseases of the Chest 1951 20, 24-34DOI: (10.1378/chest.20.1.24) Copyright © 1951 The American College of Chest Physicians Terms and Conditions

CASE 1b This patient had known that his previous chest films were normal and that his tuberculin test had been negative. Unfortunately the previous films had been destroyed. The information, however, was valuable in interpreting the film of January 1945. Subsequent events established the diagnosis of tuberculosis. Diseases of the Chest 1951 20, 24-34DOI: (10.1378/chest.20.1.24) Copyright © 1951 The American College of Chest Physicians Terms and Conditions

CASE 1c The diagnosis in this instance was made by the history of the patient's interest in pigeons. The laboratory studies immediately confirmed the suspicion of ornithosis. Diseases of the Chest 1951 20, 24-34DOI: (10.1378/chest.20.1.24) Copyright © 1951 The American College of Chest Physicians Terms and Conditions

CASE 1d Scattered calcification was known to be present on previous chest x-ray films. These films were obtained for comparison and there had been no change in the shadows. Repeated tuberculin tests have been negative and the skin tests for histoplasmosis have always been positive. The patient had resided in an area wherein histoplasmosis has been endemic. Diseases of the Chest 1951 20, 24-34DOI: (10.1378/chest.20.1.24) Copyright © 1951 The American College of Chest Physicians Terms and Conditions

Case 2 Pulmonary infarction which was first thought to be a bronchiogenic carcinoma, Diseases of the Chest 1951 20, 24-34DOI: (10.1378/chest.20.1.24) Copyright © 1951 The American College of Chest Physicians Terms and Conditions

CASE 3a A young man who had repeated pulmonary hemorrhages and in whom the diagnosis of primary pulmonary hemosiderosis was finally suggested. Diseases of the Chest 1951 20, 24-34DOI: (10.1378/chest.20.1.24) Copyright © 1951 The American College of Chest Physicians Terms and Conditions

CASE 3b An instance of pneumonitis associated with eosinophilia. Diseases of the Chest 1951 20, 24-34DOI: (10.1378/chest.20.1.24) Copyright © 1951 The American College of Chest Physicians Terms and Conditions

CASE 6 This upper lobe lesion was the result of an infection by the Friedlaender's organism. Diseases of the Chest 1951 20, 24-34DOI: (10.1378/chest.20.1.24) Copyright © 1951 The American College of Chest Physicians Terms and Conditions

CASE 7a Sarcoidosis diagnosed by lymph node biopsy. Diseases of the Chest 1951 20, 24-34DOI: (10.1378/chest.20.1.24) Copyright © 1951 The American College of Chest Physicians Terms and Conditions

CASE 7b This lesion in the left apex was ultimately proven to be a congenital pulmonary arteriovenous fistula. Diseases of the Chest 1951 20, 24-34DOI: (10.1378/chest.20.1.24) Copyright © 1951 The American College of Chest Physicians Terms and Conditions