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Bilateral Extraocular Muscle Metastasis of Nasal Rhabdomyosarcoma Mimicking a Thyroid Associated Orbitopathy: A Case Report  

Shin, Jin-Ho (Department of Radiology and Reasearch Institute of Radiology, University of Ulsan College of Medicine, Asan Medical Center)
Lee, Jeong-Hyun (Department of Radiology and Reasearch Institute of Radiology, University of Ulsan College of Medicine, Asan Medical Center)
Lim, Hyun-Kyung (Department of Radiology and Reasearch Institute of Radiology, University of Ulsan College of Medicine, Asan Medical Center)
Lee, Ha-Young (Department of Radiology and Reasearch Institute of Radiology, University of Ulsan College of Medicine, Asan Medical Center)
Park, Jee-Won (Department of Radiology and Reasearch Institute of Radiology, University of Ulsan College of Medicine, Asan Medical Center)
Baek, Hye-Jin (Department of Radiology and Reasearch Institute of Radiology, University of Ulsan College of Medicine, Asan Medical Center)
Choi, Young-Jun (Department of Radiology and Reasearch Institute of Radiology, University of Ulsan College of Medicine, Asan Medical Center)
Ahn, Jin-He (Department of Oncology, University of Ulsan College of Medicine, Asan Medical Center)
Baek, Jung-Hwan (Department of Radiology and Reasearch Institute of Radiology, University of Ulsan College of Medicine, Asan Medical Center)
Publication Information
Investigative Magnetic Resonance Imaging / v.15, no.2, 2011 , pp. 176-180 More about this Journal
Abstract
Metastases to the orbit usually affect the intraorbital fat and bone than the extraocular muscles. Metastasis to the extracoular muscles commonly occurs unilaterally, and diffuse enlargement of the bilateral extraocular muscles due to metastasis is extremely rare. In this report, we will describe a case of diffuse metastasis to the bilateral extraocular muscles from nasal rhabdomyosarcoma masquerading as thyroid associated orbitopathy. We will also discuss about the MR imaging findings helpful for differential diagnosis from thyroid associated orbitopathy.
Keywords
Rhabdomyosarcoma; Alveolar; Extraocular muscle metastasis; Magnetic resonance imaging (MRI); Thyroid associated orbitopathy;
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