Exogenous lipoid pneumonia secondary to Vaseline application to the tracheostomy in a laryngectomy patient: PET/CT and MR imaging findings

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• 作者：Luis Gorospe^a ; ^{luisgorospe@yahoo.com} ; José ; Ignacio Gallego-Rivera^a ; Asunció ; n Hervá ; s-Moró ; n^b
• 关键词：PET/CT ; FDG ; MR imaging ; Lipoid pneumonia
• 刊名：Clinical Imaging
• 出版年：2013
• 出版时间：January-February, 2013
• 年：2013
• 卷：37
• 期：1
• 页码：163-166
• 全文大小：531 K

文摘

A 67-year-old female ex-smoker was referred to our hospital after chest radiographs revealed a nonresolving opacity in the right lower lung. Her past medical history was significant for laryngeal cancer. A whole-body positron emission tomography/computed tomography (CT) confirmed an ill-defined fluorodeoxyglucose-avid peribronchial opacity in the right middle and inferior lobes. The CT component of the study showed focal areas of low attenuation within the lung opacity; these focal areas followed fat signal intensity on a magnetic resonance study, confirming the suspicion of exogenous lipoid pneumonia. The patient admitted to applying petroleum jelly (Vaseline) to her tracheostomy in order to moisturize the area around the stoma.