Giant cell tumor of tendon sheath, tenosynovial giant cell tumor, and pigmented villonodular synovitis: defining the presentation, surgical therapy and recurrence.

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Abstract

[Indexed for MEDLINE] 12. Ortop Traumatol Rehabil. 2017 Jan 26;19(1):79-88. doi: 10.5604/15093492.1235281. Pigmented Villonodular Synovitis - Various Manifestations, Inconsistent Terminology and Treatment. Cases Study. Kokoszka P(1), Woźniak W(1), Łapaj Ł(1), Kruczyński J(1). Author information: (1)Department of General Orthopedics, Orthopedic Oncology and Traumatology, Poznań University of Medical Sciences, Poland. Pigmented villonodular synovitis (PVNS) as well as tenosynovial giant cell tumor (TGCT) are both diagnosed and described in two forms, namely a localized and diffuse type. They form a diverse group of proliferative lesions in articular synovium and tendon sheaths. The inconsistent terminology impedes communication between patients, orthopedic surgeons, radiologists and pathologists, leading to misunderstandings and delaying treatment. In this paper, we present three cases of PVNS/TGCT (involving the fourth toe extensor tendon sheath, hip joint after resurfacing and flexor hallucis longus tendon sheath) together with suggestions regarding the unification of the terminology as well as diagnosis and treatment. DOI: 10.5604/15093492.1235281