Legionella pneumonia

Case contributed by Dr Henry Knipe


Febrile neutropenia.

Patient Data

Age: 60 years
Gender: Male

Extensive left lower lobe consolidation with obscuration of the left hemidiaphragm silhouette. Right internal jugular central venous line. 


Dense left lower lobe consolidation with patchy right middle and lower lobe consolidation. Right internal jugular CVC. 

Case Discussion

Urinary Legionella antigen was positive and subsequently Legionella pneumophila was isolated from sputum culture. There are no specific features to suggest Legionella infection on x-ray or CT. This patient was immunosuppressed post chemotherapy induction for treatment of a hematological malignancy.  

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Case information

rID: 45780
Published: 8th Jun 2016
Last edited: 28th Oct 2019
System: Chest, Oncology
Inclusion in quiz mode: Included

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