J Korean Orthop Assoc.  2017 Jun;52(3):279-284. 10.4055/jkoa.2017.52.3.279.

Glomus Tumor Causing Knee Pain

Affiliations
  • 1Department of Orthopaedic Surgery, Dankook University Medical College, Cheonan, Korea. lovebio1ogy@naver.com

Abstract

Glomus tumor is a kind of hemangioma that occurs at the glomerulus in the subcutaneous layer. It mainly occurs at the distal hand and subungual area, and rarely at the knee joint. Pain, tenderness, and cold intolerance are known symptoms; however, symptoms in practice are not so easily detectable, and the diagnosis can be delayed if it is presented at areas other than the hand. If the diagnosis is delayed, patients could suffer extreme pain. Therefore, early diagnosis and surgical treatment are important. Ultrasound and magnetic resonance imaging were used to diagnose glomus tumor in our cases, which were found in subcutaneous tissue and muscle fascia. We claim that, for patients with persistent pain, known symptoms—extreme pain, cold intolerance, and tenderness—should be examined carefully and rule out glomus tumor. We report 2 cases of glomus tumors around the knee joint, which is not a common location of occurrence.

Keyword

knee; glomus tumor; subcutaneous tissue; fascia; biopsy
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