Aneurysmal bone cyst of the mastoid bone: one case report]
Lin Chung Er Bi Yan Hou Tou Jing Wai Ke Za Zhi(2015)
摘要
Aneurysmal bone cyst of mastoid bone is seldom, here one case was reported. The mastoid bone of the patient presented with a baloon-like swelling full of non-coagulated blood and serous-hemorrhagic fluid. CT scan demonstrated a large expansile destructive mass located in left mastoid bone region with the thin or absent cortical bone. The MRI demonstrated T2-weighted images and clear boudary from surrounding tissue. Pathologic reported that the mastoid bone was repalcement with lacunar divided by fibro-tissue, containing numerous hemosiderin, giant cells and inflammatory cells. A surgery was performed and the patient was cured.
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