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KMID : 0357920110450010106
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Korean Journal of Pathology
2011 Volume.45 No. 1 p.106 ~ p.110
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Lipofibromatosis - A Case Report -
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Kim Tae-Eun
Kim Tae-Jung
Lee Youn-Soo
Kang Chang-Suk
Shim Sang-In
Lee Kyo-Young
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Abstract
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Lipofibromatosis is a recently described rare benign fibrofatty tumor of childhood. It typically forms as an ill defined, slowly growing, painless mass. We present here the case of lipofibromatosis that occurred in a 21-year-old male who had complained of a bulging enlarged mass involving the right thigh and prepatella area for the previous 1 year. Magnetic resonance imaging showed an ill-defined reticular infiltration in the subcutaneous layer with subtle linear enhancement and high T2 signal intensity. The mass was surgically excised and it displayed an 11.0×5.5×1.5 cmsized adipose appearance without encapsulation. Microscopically, the tumor was composed of alternating streaks of mature adipose tissue and a fibroblastic component that mainly involved the septa of adipose tissue. On immunohistochemical study, the fibroblastic component was positive for S-100, CD99, CD34, actin and bcl-2. He has shown an eventful recovery for 6 months after surgery.
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KEYWORD
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Fibroma, Thigh, Adolescent, Adipose tissue, Lipoma
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