DOI: 10.1148/radiol.2431041505
(Radiology 2007;243:284-285.)
© RSNA, 2007
Case 1181
Mustafa Kemal Demir, MD2,
Mahmut Beser, MD and
Okan Akinci, MD
1 From the Department of Radiology, Haydarpasa Numune Education and Research Hospital (M.K.D., O.A.), Istanbul, Turkey; and Department of Radiology, Taksim Education and Research Hospital, Istanbul, Turkey (M.B.). Received August 31, 2004; revision requested November 8; revision received December 2; accepted December 17; final version accepted January 27, 2005.
Address correspondence to M.K.D., 11 kisim, Yasemin Apt, D blok, Daire 35 Ataköy, Istanbul, Turkey 34158 (e-mail: demirkemal{at}superonline.com).
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HISTORY
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A 65-year-old woman with no relevant medical or surgical history presented to the orthopedic clinic with a 3-week history of a painful mass in her right arm that manifested 1 week after trauma. Physical examination revealed a firm palpable mass in the right biceps muscle, without overlying skin changes. She was afebrile. Laboratory studies did not reveal any abnormalities. Conventional radiography (images not shown) depicted a soft-tissue mass, without any soft-tissue calcification or skeletal abnormality. Magnetic resonance (MR) imaging was performed (Figs 14).

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Figure 4: Sagittal T1-weighted spin-echo MR image of the right arm (600/15) obtained after intravenous administration of gadopentetate dimeglumine (Magnevist; Schering, Berlin, Germany).
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FOOTNOTES
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2 Current address: Department of Radiology, Trakya University School of Medicine, Edirne, Turkey 
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