Lipoid pneumonia complicating megaesophagus secondary to Chagas disease: high-resolution computed tomography findings.
OBJECTIVE
The aim of this study was to evaluate high-resolution computed tomography (HRCT) findings in patients with exogenous lipoid pneumonia after mineral oil aspiration, in association with chagasic megaesophagus.


METHODS
The study included 6 patients aged from 63 to 88 years (mean age, 74.5 y). The inclusion criteria were an abnormal HRCT, a history of aspirating mineral oil, the presence of intrapulmonary lipids in bronchoalveolar lavage, and the presence of megaesophagus with a diagnosis of Chagas disease.


RESULTS
Primary HRCT findings included airspace consolidation with air bronchograms (n=4) and a crazy-paving pattern (n=2), predominating bilaterally in the posterior and lower regions of the lungs and associated with esophageal dilatation.


CONCLUSIONS
The diagnosis of lipoid pneumonia should be considered in chagasic patients with megaesophagus and a history of aspirating mineral oil, presenting with parenchymal consolidations or crazy-paving pattern in HRCT.
Marchiori
Edson
E
Department of Radiology, Fluminense Federal University, Rio de Janeiro, Brazil. edmarchiori@gmail.com
Zanetti
Gláucia
G
Nobre
Luiz Felipe
LF
Takayassu
Tatiana Chinem
TC
Irion
Klaus Loureiro
KL
D000368:Aged; D000369:Aged, 80 and over; D014355:Chagas Disease / Q000150:complications / Q000000981:diagnostic imaging*; D003937:Diagnosis, Differential; D004931:Esophageal Achalasia / Q000000981:diagnostic imaging* / Q000209:etiology; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D008899:Mineral Oil; D011017:Pneumonia, Lipid / Q000000981:diagnostic imaging* / Q000209:etiology; D012189:Retrospective Studies; D014057:Tomography, X-Ray Computed / Q000379:methods*
D008899:Mineral Oil