Angiomyolipoma arising in the thigh |
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| Authors: | S Kuroda H Itoh T Yamagami O Kizu H Murata K Kusuzaki T Yamano T Maeda
/AU> |
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| Institution: | (1) Department of Radiology, Kyoto Prefectural University of Medicine, 465 Kajiichou, Kawaramachi-Hirokouji, Kamigyou, Kyoto, 602-0841, Japan, JP;(2) Department of Orthopedic Surgery, Kyoto Prefectural University of Medicine, Kyoto, Japan, JP;(3) First Department of Pathology, Kyoto Prefectural University of Medicine, Kyoto, Japan, JP |
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| Abstract: | A 41-year-old man presented with an asymptomatic mass in the right medial thigh. Magnetic resonance imaging (MRI) revealed
a well-demarcated, 10-cm mass in the right adductor muscles. The margins of the mass exhibited high signal intensity and the
rest showed low or iso signal intensity on T1-weighted MR images. However, the high signal intensity was decreased on T2-weighted
images with fat suppression. The central part of the tumor was of inhomogeneous high signal intensity on T2-weighted images;
after Gd-DTPA injection it enhanced inhomogeneously on T1-weighted images with fat suppression. On dynamic computed tomography
(CT) in the arterial phase, there were strongly enhancing spotty areas in the tumor. At surgery, a yellow-whitish tumor was
resected and a pathological diagnosis of angiomyolipoma (AML) in the thigh was made.
Received: 21 June 1999 Revision requested: 28 July 1999 Revision received: 13 December 1999 Accepted: 15 December 1999 |
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| Keywords: | Angiomyolipoma (AML) Soft tissue Thigh MRI CT Angiography |
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