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KMID : 0829220190430020055
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Korean Journal of Oral and Maxillofacial Pathology
2019 Volume.43 No. 2 p.55 ~ p.58
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Pseudosarcomatous Fibromatosis in the Masseter Muscle
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Kim Ho-Joon
Shin Hong-In
Choi So-Young
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Abstract
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Pseudosarcomatous fibromatosis (PSF), also known as nodular fasciitis and pseudosarcomatous fasciitis, is a rare, benign proliferation of fibroblasts and myofibroblasts. It is often misdiagnosed as sarcoma because of its characteristic rapid progression, leading to unnecessary and aggressive surgery. Here we report a case of PSF found in the masseter muscle in a 26-year-old female. The mass that could be misdiagnosed because of its rapid growth characteristics was surgically excised by an intraoral approach and diagnosed as PSF by histopathologic examinations.
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KEYWORD
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Pseudosarcomatous fibromatosis, Masseter muscle, Nodular fasciitis
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