Exogenous lipoid pneumonia following ingestion of liquid paraffin

被引:10
作者
Ohwada, A [1 ]
Yoshioka, Y [1 ]
Shimanuki, Y [1 ]
Mitani, K [1 ]
Kumasaka, T [1 ]
Dambara, T [1 ]
Fukuchi, Y [1 ]
机构
[1] Juntendo Univ, Sch Med, Dept Resp Med, Bunkyo Ku, Tokyo 1138421, Japan
关键词
lipid-laden alveolar macrophages; aspiration;
D O I
10.2169/internalmedicine.41.483
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
An asymptomatic patient with exogenous lipoid pneumonia (ELP) due to silent aspiration of liquid paraffin ingested as a lubricant was diagnosed by bronchoalveolar lavage (BAL). BAL fluid separated into oily upper phase and lower aqueous phase spontaneously. Microscopic analysis of BAL cells revealed the presence of lipid-laden alveolar macrophages. Classic histochemical staining and electron microscope examination indicated that neutral lipid was dominant but phospholipid was also present in the lipid-laden macrophages. Together with the history of ingestion of liquid paraffin, we identified that the ingested liquid paraffin was the origin of the neutral lipid in the lipid-laden macrophages observed in the BAL fluid.
引用
收藏
页码:483 / 486
页数:4
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