Table 1. Comparison of reported cases of Cutibacterium acnes pleuropulmonary infection.

COPD: chronic obstructive pulmonary disease; bid: bis in die (twice a day); tid: ter in die (three times a day)

Variable	Current case	Adlakha and Muppala [10]	Veitch et al. [17]	Cobo et al. [4]
Age (years)	34	57	29	66
Sex	Male	Male	Male	Male
Co morbidities	None	COPD with bullous emphysema	Restrictive cardiomyopathy with cardiac transplant;	Rheumatoid arthritis and COPD
Smoking history	Yes	Yes	Non-smoker	Yes
Immunocompetence	Competent	Competent	Compromised: mycophenolate mofetil; cyclosporine	Competent
Localization	Lung	Lung	Lung	Pleural
Clinical presentation	Persistent respiratory infection, hemoptysis, fever, weight loss	Recurrent respiratory infections without fevers or weight loss	Fevers, cough, and left chest pain	Asthenia, dyspnea, hemoptysis, and chest pain
Diagnosis	C. acnes pulmonary abscess	C. acnes pulmonary abscess	C. acnes pulmonary abscess	C. acnes pleural empyema
Treatment	Ceftriaxone 2g, six weeks	Doxycycline 100 mg bid, 21 days	Co‑amoxiclav 625 mg tid, six weeks	Moxifloxacin 400mg
Follow‑up/ prognosis	Favorable clinical, biological, and radiological evolution.	Radiological resolution; patient remained well.	7 months after the initial presentation, the patient remained well	Patient is being treated for cancer