Intraosseous Lipoma of the Femur: Image Findings

 

What to Learn from this Article?

Diagnostic issues related to Intraosseous Lipoma in Long Bones.


Case Report |  Volume 4 | Issue 1 | JOCR Jan-Mar 2014 | Page 35-38 | Yazdi HR, Rasuli B, Borhani A, Noorollahi MM

DOI: 10.13107/jocr.2250-0685.146


Authors: Yazdi HR[1], Rasuli B[1], Borhani A[1], Noorollahi MM[2]

[1]Associate Professor, Radiology, Imam Khomeini Hospital, Keshavarz Boulevard, Tehran University of Medical Sciences, Tehran, Iran.

[2]Radiologist, Atyeh Hospital, Farahzadi Blvd, Tehran, Iran.

Address of Correspondence:

Hadi Rokni Yazdi MD, Associate Professor of Radiology, Advanced Diagnostic and Interventional Radiology Research Centre(ADIR), Imam Khomeini Hospital, Keshavarz Boulevard, Tehran University of Medical Sciences, Tehran, Iran. Phone No: 989124136470. Email: rokniyaz@sina.tums.ac.ir 


Abstract

Introduction: Intraosseous lipoma is a rare benign bone disease. Long and cancellous bones are the most locationsthat can be affected. Almost all lesions were discovered incidentally on imaging modalities that were done during an unrelated investigation. As it is rare, it may be mistaken for nonossifying fibroma, aneurismal bone cyst, simple bone cyst, bone infarct or chondroid tumors. Recently with the high quality imaging modalities such as CT scan and/or MR imaging, the diagnosis of intramedullary lipoma and some other bone lesions can be done without the need for bone biopsy and surgery.

Case Report: We’re reporting a rare case of intraosseous lipoma of the distal femur.  Plain film radiography showed barely visible medullary expansion and lucency in the distal left femoral diaphysis. The  patient underwent further evaluation with computed tomographic (CT) and magnetic resonance Imaging (MRI). According to the MRI and CT scan findings, intraosseous lipoma was confirmed and the need for more diagnostic tests were eliminated.

Conclusion: Although Intraosseous lipoma doesn’t have any manifestations clinically but it should be considered in the differential diagnosis of bone pains. MRI has an important role in characterization of soft tissue and bone marrow lesions therefore non-surgical approach for most of the patients with intraosseous lipoma would be beneficial.

Keywords: Introsseous lipoma, femur, Magnetic resonance imaging, Computed Tomography.


 

How to Cite This Article: Yazdi HR, Rasuli B, Borhani A, Noorollahi MM. Intraosseous Lipoma of the Femor: Image Findings. Journal of Orthopaedic Case Reports 2014 Jan-Mar ;4(1): 35-38. Available from: http://www.jocr.co.in/wp/2014/01/09/2250-0685-146-fulltext/


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