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  • Title: CT and MRI findings of the incidental intraosseous lipomatous lesions of the sphenoid bone.
    Author: Pekcevik Y, Arslan IB, Arslan Y.
    Journal: Head Neck; 2016 Feb; 38(2):E41-4. PubMed ID: 25917922.
    Abstract:
    BACKGROUND: Intraosseous lipomatous lesions of the sphenoid bone and skull base are increasingly seen and cause a diagnostic challenge. The purpose of this study was to present the imaging findings of 4 patients with incidentally identified intraosseous lipomatous lesions within the sphenoid bone. METHODS: CT scans and MR images of 4 patients are shown. Macroscopic fat content of the lesions were evaluated by fat-saturated sequences on MRI and by measuring fat density in Hounsfield Units on CT. RESULTS: The most striking imaging findings of these well-defined lesions were their fat content, preservation of foramina, and absence of cortical destruction. CONCLUSION: Intraosseous lipomatous lesions are asymptomatic, fat containing, non-touch lesions that should be recognized to prevent unnecessary further investigation, such as biopsy.
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