title: Extra-Articular Diffuse Giant Cell Tumor of the Tendon Sheath: A Report of 2 Cases.
abstract: Two rare cases of extra-articular diffuse variant giant cell tumor of the tendon sheath are presented, at the elbow of a 68-year-old female and the foot of a 56-year-old male. Both patients presented with a palpable masses and marginal excision was performed; histological sections confirmed the diagnosis of extra-articular giant cell tumor. No adjuvant therapy was administered. At the latest follow-up, minimum 24 months after excision both patients were disease-free.
authors: First Department of Orthopedics, National and Kapodistrian University of Athens Medical School, "Attikon" University Hospital, Greece.
authors: Olga D
authors: OD
authors: Savvidou
authors: First Department of Orthopedics, National and Kapodistrian University of Athens Medical School, "Attikon" University Hospital, Greece.
authors: Andreas F
authors: AF
authors: Mavrogenis
authors: First Department of Orthopedics, National and Kapodistrian University of Athens Medical School, "Attikon" University Hospital, Greece.
authors: Vasilios I
authors: VI
authors: Sakellariou
authors: First Department of Orthopedics, National and Kapodistrian University of Athens Medical School, "Attikon" University Hospital, Greece.
authors: George D
authors: GD
authors: Chloros
authors: First Department of Orthopedics, National and Kapodistrian University of Athens Medical School, "Attikon" University Hospital, Greece.
authors: Thomas
authors: T
authors: Sarlikiotis
authors: First Department of Orthopedics, National and Kapodistrian University of Athens Medical School, "Attikon" University Hospital, Greece.
authors: Panayiotis J
authors: PJ
authors: Papagelopoulos
keywords: Diffuse variant; Giant cell tumor of the tendon sheath; Pigmented villonodular synovitis (PVNS)