Case Reports in Infectious Diseases

Case Report

Legionellosis and Lung Abscesses: Contribution of Legionella Quantitative Real-Time PCR to an Adapted Followup

Table 1

Microbiological results for Legionella during the patient’s hospitalisation.
 Day after admission (D)
 D4D5D6D11D14D17D22D24D26D29D34D39D42
Surgery		D43D54D72D380
Legionella urine antigen test +              +
Axenic culture (number of colonies on an agar plate)                 
 BAL specimen*+
(>500)		+
(>500)		+
(>500)		  +
(26)		+
(5)		+
(10)		+
(1)		+
(8)		+
(3)		+
(1)		−−−− 
 Lung abscess specimen            −−   
L.  pneumophila PCR Ct                 
 BAL specimen 18.920.0  21.326.123.125.024.325.025.322.727.434.1>45 
 Lung abscess specimen            17.316.0   
 Serum specimen  33.230.932.7 36.1 >45        
BAL, bronchoalveolar lavage; Ct, cycle threshold; +, positive; and −, negative.
except on D4: sputum specimen.