Pulmonary serratia infection

Last revised by Owen Kang on 19 Jun 2019

Pulmonary serratia infection refers to pulmonary involvement by the organism Serratia marcescens which is a gram-negative bacilli of the Enterobacteriaceae group of bacteria. It can naturally occur in soil and water as well as in the intestine.

It can often involve the lungs as a nosocomial (hospital-acquired) infection. Serratia species may sometimes harbor multidrug-resistance mechanisms that can complicate treatment.

Radiographic features

Plain radiograph and CT

A number of radiographic patterns have been described.

Predominant radiological patterns include 1:

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