1Department of Radiology, Chung-Ang University Medical Center, Chung-Ang University College of Medicine, Korea. j3mn@chol.com 2Department of Radiology and Research Institute of Radiology, Asan Medical Center, University of Ulsan College of Medicine, Korea. 3Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Korea. 4Department of Nuclear Medicine, Chung-Ang University Medical Center, Chung-Ang University College of Medicine, Korea.
Published online: December 1, 2010.
ABSTRACT
Phyllodes tumor of the breast is a relatively rare fibroepithelial tumor. Turner syndrome is a condition that affects approximately 50 per 100,000 females and includes total or partial absence of one X chromosome in all or part of the cells, reduced final height, absence of female sex hormone, and infertility. In this case report, we describe the first case of a benign phyllodes tumor mimicking a malignancy at breast US in a 26-year-old woman with Turner syndrome who had been undergoing hormone replacement therapy.