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| Sonographic Appearance of Idiopathic Hypertrophy of
the First Dorsal Interosseous Muscle of the Hand |
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| Woo Jin Yang, MD1, Ka Eun Lee, MD1, Wook Jin, MD1, So Young Park, MD1,
Su Yeon Hwang, MD1, Ji Seon Park, MD2, Kyung Nam Ryu, MD2 |
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| 1Department of Radiology, Kyung Hee University Hospital at Gangdong, College of Medicine,
Kyung Hee University, Seoul, Korea
2Department of Radiology, Kyung Hee University Hospital, College of Medicine, Kyung Hee
University, Seoul, Korea |
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| We present a rare case of a 28-year-old man with a non-tender soft tissue enlargement
on the dorsal side of the first web space of the right hand. Sonographic evaluation
showed thickening of the dorsal thenar muscle (dorsal interosseous muscle) without
a mass-like or cystic lesion, as compared with the left dorsal thenar muscle. On
grasping position, this finding was more prominent and no significantly increased vascular
flow was observed in this muscle. We were able to diagnose idiopathic hypertrophy
of the first dorsal interosseous muscle solely by sonography. Ultrasonographic
evaluation is a noninvasive and accessible tool for diagnosis of pseudotumors, such
as idiopathic thenar muscle hypertrophy. |
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| Keyword : Ultrasonography; Thenar muscle; Pseudotumor; Hypertrophy |
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pdf파일 : 193-197양우진.pdf 
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> Journal > Journal Search 
Journal of Korean Society of Ultrasound in Medicine 2013 ; 32 (3) : p.193-197
