[Exogenous lipid pneumonia. Clinico-radiologic characteristics].
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| Abstract |
Exogenous lipid pneumonia (ELP) is caused by the aspiration of animal, vegetal or, more often, mineral oils. Even though it may also be acute, ELP is most frequently a chronic disease, affecting people with predisposing factors, such as neuromuscular disorders, structural abnormalities and so on; very often exogenous lipid pneumonia is found in tracheotomized patients. The pathology of lipid pneumonia is a chronic inflammatory process evolving in foreign-body-like reaction, and eventually in "end-stage lung" condition. Clinically, most patients are asymptomatic; few cases only present with cough, dyspnea and chest pain. Eight cases of ELP, studied over the past 3 years, are described in this paper. All the patients were examined by chest radiographs and standard tomograms; 3 patients underwent CT. X-ray features were mono/bilateral consolidation of the lower zones, with air bronchogram and variable reduction in volume. CT density was not specific for fat tissue. In all cases the diagnosis was confirmed at biopsy. In 5 patients, followed for at least one year, clinical-radiological features showed no change. Thus, complications of ELP (especially malignant evolution) could be excluded. The authors conclude that lipid pneumonia must be considered in differential diagnosis of patients with history of usage of oils and compatible X-ray findings. The usefulness of an accurate follow-up is stressed.
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| Authors | A Bernasconi, C Galleri, A Zanasi, M Zompatori, F Bazzocchi, M Fabbri, G Gavelli |
| Journal | La Radiologia medica (Radiol Med) Vol. 75 Issue 6 Pg. 589-94 (Jun 1988) ISSN: 0033-8362 [Print] Italy |
| Vernacular Title | Polmoniti lipidiche esogene. Caratteristiche clinico-radiologiche. |
| PMID | 3387610 (Publication Type: Journal Article) |
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