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October 1967

Lipoid Pneumonia: Its Protean Nature and Clinical Resemblance to Carcinoma of the Lung

Author Affiliations

Madison, Wis
From the departments of surgery and medicine, University of Wisconsin, Madison.

Arch Surg. 1967;95(4):652-657. doi:10.1001/archsurg.1967.01330160122018

THE abnormal pulmonary shadow in an adult immediately arouses one to think of tumor. Often the physician becomes so focused on this possibility that after a few screening procedures to exclude the possibility of tuberculosis or even an involved investigation to determine a primary source of the tumor, the patient is then subjected to a major surgical procedure. Lipoid pneumonia should be kept in mind for patients who have an atypical pattern for tumor on chest x-ray films or in patients with a known exposure or ingestion of fatty compounds. What has been assumed to be typical for lipoid pneumonia is a widespread bilateral pneumonic process whch slowly resolves. This picture appears to be the exception rather than the rule.

Clinical Material  The records of all patients with suspected lipoid pneumonia who were seen at the University Hospitals from 1955 to 1965 were reviewed. All patients in whom the diagnosis

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