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FDG Uptake in Splenic Epidermoid Cyst With Hemorrhage

Dong, Aisheng MD*; Wang, Yang MSc; Lu, Jianping MD; Zuo, Changjing MD*

doi: 10.1097/RLU.0b013e318281652c
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Abstract: Splenic epidermoid cyst is a rare entity and rarely becomes complicated by hemorrhage. We present a case of splenic epidermoid cyst with old hemorrhage showing strong FDG uptake in the cyst wall. Histopathology revealed granulation tissue with abundant inflammatory cells, including many hemosiderin-laden macrophages, in the inner layer of the cyst wall. The abundant inflammatory cells in the granulation tissue may contribute to the strong FDG uptake of the cyst wall. This case highlights that a benign lesion with hemorrhage should be included in the differential diagnosis of abnormal splenic FDG uptake along with tumor and inflammatory processes.

From the *Department of Nuclear Medicine, †Department of Pathology, and ‡Department of Radiology, Changhai Hospital, Shanghai, China.

Received for publication August 2, 2012; revision accepted November 18, 2012.

Funding Support: Aisheng Dong was sponsored by Young Scholar Grant from National Natural Science Foundation of China (81000601).

Conflicts of interest and sources of funding: none declared.

Reprints: Changjing Zuo, MD, Department of Nuclear Medicine, Changhai Hospital, 168 Changhai Road, Yangpu District, Shanghai 200433, China. E-mail: dongaisheng@gmail.com.

© 2014 by Lippincott Williams & Wilkins