Legionnaires' Disease on Chest Radiograph

Go to the profile of Melanie Allison
Jul 12, 2018

Chest radiographic findings in a 52-year-old man who presented with pneumonia subsequently diagnosed as Legionnaires’ disease. The patient was a cigarette smoker with chronic obstructive pulmonary disease and alcoholic cardiomyopathy; he had received glucocorticoids. Legionella pneumophila was identified by direct fluorescent antibody staining and culture of sputum. Left: Baseline chest radiograph showing long-standing cardiomegaly. Center: Admission chest radiograph showing new rounded opacities. Right: Chest radiograph taken 3 days after admission, during treatment with erythromycin.

Read more about Legionnaires’ Disease in Context:

Harrison’s Principles of Internal Medicine, 19e: Chapter 184. Legionella Infections

Read more about Legionnaires’ Disease:

CURRENT Diagnosis and Treatment: Pediatrics, 24e: Chapter 42. Infections: Bacterial & Spirochetal

Review of Medical Microbiology & Immunology: A Guide to Clinical Infectious Diseases, 15e: Part X: Brief Summaries of Medically Important Organisms: Introduction

Centers for Disease Control and Prevention: Legionella (Legionnaires' Disease and Pontiac Fever)

Go to the profile of Melanie Allison

Melanie Allison

Executive Editorial Specialist, McGraw-Hill Education

Melanie Allison is the Executive Editorial Specialist with McGraw-Hill Education. She earned her Doctor of Nursing Practice (DNP) degree and Post-Master’s Certificate in Nursing Education from The Johns Hopkins University. She earned her Master’s of Science in Nursing degree (MSN), specializing as an acute care nurse practitioner (ACNP), from Vanderbilt University. Melanie has more than 20 years of experience as a registered nurse and nurse practitioner in adult cardiology. She is an adjunct faculty member at a top school of nursing, where she has taught for more than 13 years.

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