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Ju, Kim, Kim, Hong, Lee, Yong, Shin, Lee, and Lee: A Case of Thymolipoma Simulating Cardiomegaly
Case Report

Tuberculosis and Respiratory Diseases 2004; 56(1): 103-108.

Published online: 31 January 2004

DOI: https://doi.org/10.4046/trd.2004.56.1.103

A Case of Thymolipoma Simulating Cardiomegaly

Hun Su Ju, M.D., Sang Ha Kim, M.D., Jung Kwon Kim, M.D., Tae Won Hong, M.D., Nak Won Lee, M.D., Suk Joong Yong, M.D., Ph.D., Kye Chul Shin, M.D., Ph.D., Kwang Gil Lee, M.D.*, Won Yeon Lee, M.D.

Department of Internal Medicine, Yonsei University Wonju College of Medicine, Wonju, Korea.

*Department of Pathology, Yonsei University Wonju College of Medicine, Wonju, Korea.

Address for correspondence: Won Yeon Lee, M.D. Departments of Internal Medicine, Yonsei University Wonju College of Medicine, Wonju, Korea 162 Ilsan-dong Wonju, Kangwon-do, 220-701, Korea. Phone: 033-741-1233, Fax: 033-746-4667, wylee@wonju.yonsei.ac.kr

Copyright©2004. The Korean Academy of Tuberculosis and Respiratory Diseases. All rights reserved.

Abstract

Thymolipoma is rare benign tumor of the thymic gland and mostly occurs at anterior mediastinum.
Thymolipoma comprises 2~9% of thymic tumor and less than 1% of mediastinal mass.
Therefore, thymolipoma should be differentiated from anterior mediastinal tumor such as thymoma, germ cell tumor and lymphoma.
These tumors resemble cardiomegaly, pleural effusion, basal atelectasis, pericardial tumor and cyst, pleural tumor, lung cancer and pulmonary sequestration, and differentiated from above mentioned diseases.
Though most cases are asymptomatic, there can be dyspnea with compression of adjacent organ by mass effect, and myasthenia gravis.
We experienced a thymolipoma simulating cardiomegaly and report the case with the review of literatures.

Keywords: Thymolipoma, Cardiomegaly, Hilum overlay sign

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