International Journal of Medical Sciences

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19 October 2017

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Int J Med Sci 2012; 9(1):11-13. doi:10.7150/ijms.9.11

Case Report

Traumatic Hemorrhage within a Cerebellar Dermoid Cyst

Yongxin Luan1*, Haifeng Wang1*, Yanping Zhong 2*, Xinchao Bian1, Yinan Luo1, Pengfei Ge1 ✉

1. Department of Neurosurgery, First Bethune Hospital of Jilin University, Changchun 130021, Jilin Province, P.R. China.
2. Department of Pathology, First Bethune Hospital of Jilin University, Changchun 130021, Jilin Province, P.R. China.
* Yongxin Luan, Haifeng Wang and Yanping Zhong contribute equally to this paper.

Abstract

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

This is an open access article distributed under the terms of the Creative Commons Attribution (CC BY-NC) License. See http://ivyspring.com/terms for full terms and conditions.
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