Round pneumonia: a rare condition mimicking bronchogenic carcinoma. Case report and review of the literature

Sao Paulo Medical Journal

José Jesus De Peixoto Camargo¹  Spencer Marcantonio Camargo¹  Tiago Noguchi Machuca¹  Fabíola Adélia Perin¹ 

[1] ,Santa Casa de Misericórdia de Porto Alegre Irmandade Porto Alegre Rio Grande do Sul ,Brazil

关键词: Pneumonia;    Lung neoplasm;    Lung diseases;    Medical imaging;    Lung;    Pneumonia;    Neoplasias pulmonares;    Pneumopatias;    Diagnóstico por imagem;    Pulmão;   

DOI  :  10.1590/S1516-31802008000400010

来源: SciELO

【 摘 要 】

CONTEXT: Round pneumonia is a condition usually described in children, with few reports addressing adult patients. It is an oval-shaped consolidation that, due to its radiological appearance, simulates bronchogenic carcinoma. Its evolution tends to be benign, although diagnostic dilemmas have sometimes required exploratory thoracotomy. Deaths caused by this condition have even been reported. To the best of our knowledge, there have been 31 previous cases of round pneumonia in adults reported in the English and Portuguese-language literature, of which only one was completely asymptomatic. CASE REPORT: The case of a 54-year-old female patient presenting a lung mass found on routine imaging evaluation is reported. Respiratory symptoms and signs were absent, but the patient had a significant history of smoking. Her physical examination gave normal results. On chest radiographs, a mass located in the middle third of the right lung was observed. Three weeks after the initial evaluation, the patient was admitted for a complete evaluation and for staging of a pulmonary malignancy, but repeated chest radiographs showed complete resolution.

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