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Remote Cerebellar Hemorrhage after Frontal Lobectomy: Zebra Sign

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Remote cerebellar hemorrhages (RCHs) are rare complications of intracranial or spinal interventions. We describe a patient with an RCH that occurred after a frontal lobectomy for an intracranial tumor. A 41-year-old female patient with a headache and partial seizures underwent a right frontal lobectomy upon detection of a right frontal mass. An RCH (zebra sign) was detected on a control cranial computed tomography (CT), which was performed upon detection of frontal lobe syndrome and mild ataxia in the patient postoperatively. Although the mechanism underlying the occurrence of RCHs after intracranial procedures is not clear, they have been attributed to an imbalance between intravascular pressure and cerebrospinal fluid (CSF) due to rapid drainage of the fluid, causing bleeding in the cerebellar parenchyma. Generally, bilateral superior cerebellar injury produces parallel flat hyperdense areas known as the zebra sign on CT. The prognosis of a cerebellar hemorrhage is generally good, and it can be treated with a conservative approach. Controlled drainage of CSF during surgery and selecting an appropriate surgical position perioperatively will reduce the risk of RCHs.
Cite this paper
Yaldiz, C. , Unal, V. , Akar, O. , Yaman, O. and Ozdemir, N. (2014) Remote Cerebellar Hemorrhage after Frontal Lobectomy: Zebra Sign. Open Journal of Modern Neurosurgery, 4, 181-185. doi: 10.4236/ojmn.2014.44031. 
 

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