16 December 2018
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Int J Med Sci 2012; 9(1):11-13. doi:10.7150/ijms.9.11
Traumatic Hemorrhage within a Cerebellar Dermoid Cyst
1. Department of Neurosurgery, First Bethune Hospital of Jilin University, Changchun 130021, Jilin Province, P.R. China.
Intracranial dermoid cysts with hemorrhage are fairly rare. Herein, we reported a 28-year-old female patient with a cerebellar dermoid cyst, which was found accidently on neuro-imaging after head trauma. MR scanning revealed that the lesion was located within the cerebellar vermis and was measured 3.5cm×3.9cm×3.0cm, with hyper-intensity on T1WI and hypo-intensity on T2WI. However, on CT imaging, it showed hyper-dense signals. It was removed completely via midline sub-occipital approach under surgical microscope. Histological examination proved it was a dermoid cyst with internal hemorrhage. In combination with literature review, we discussed the factors that might be responsible for the hemorrhage within dermoid cysts.
Keywords: Dermoid cyst, Hemorrhage, CT, MRI, Head trauma
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How to cite this article:
Luan Y, Wang H, Zhong Y, Bian X, Luo Y, Ge P. Traumatic Hemorrhage within a Cerebellar Dermoid Cyst. Int J Med Sci 2012; 9(1):11-13. doi:10.7150/ijms.9.11. Available from http://www.medsci.org/v09p0011.htm