Cerebral Fat Embolism Studied by Magnetic Resonance Imaging, Transcranial Doppler Sonography, and Single Photon Emission Computed Tomography

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Abstract
Cerebral fat embolism syndrome is an uncommon complication of trauma. We present a patient who developed cerebral fat embolism syndrome secondary to long-bone fractures. Although computed tomography of the brain failed to show any intracranial lesion, magnetic resonance imaging (MRI) detected scattered, high-signal-intensity lesions on T2-weighted images.99m Tc-d, 1-hexamethyl-propylene amine oxine single photon emission computed tomography (sup 99m Tc-HMPAO SPECT) and transcranial Doppler sonography (TCD) demonstrated low cerebral blood flow in the acute stage. MRI,99m Tc-HMPAO SPECT, and TCD correlated well with the clinical course of cerebral fat embolism syndrome.