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KMID : 1103720180790020106
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Journal of the Korean Society of Radiology
2018 Volume.79 No. 2 p.106 ~ p.109
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An Unusual Cause of Knee Pain: Periosteal Glomus Tumor of the Distal Femur
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Cho Hyung-Joon
Ahn Kyung-Sik
Kang Chang-Ho
Kim Yu-Ra
Park Jong-Hoon
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Abstract
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Glomus tumors are rare neoplasms that characteristically occur in subungual regions, but may also be found in other regions of the body. The clinical diagnosis of this tumor may be difficult if the tumor is located in an extradigital site. Most extradigital glomus tumors form in superficial locations. Herein, we present the case of a 34-year-old woman who experienced chronic knee pain with pinpoint tenderness resulting from a deep-seated periosteal glomus tumor of the distal femur. Extradigital glomus tumors should be considered in the differential diagnosis when characteristic clinical features and imaging findings indicative of glomus tumors are present, even if the tumor is located within deep tissues.
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KEYWORD
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Glomus Tumor, Periosteum, Femur, Magnetic Resonance Imaging, Ultrasound
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