1. 1) Byers, P. D., et al. : The diagnosis and treatment of pigmented villonodular synovitis. J. Bone Joint Surg., 50 B : 290-305, 1968
2. 2) Galloway, J. D. B., et al. : Xanthoma of tendon sheath and synovial membrane. Arch. Surg., 40 : 485-538, 1940.
3. 3) Jaffe, H. L., et al. : Pigmented villonodular synovitis, bursitis and tenosynovitis. Arch. Path., 31 : 731-765, 1941.
4. 4) Jones, F. E., et al. : Fibrous xanthoma of the tendon sheath, pigmented nodular synovitis. J. Bone Joint Surg., 51-A : 76-86, 1969.
5. 6) Oehler, S., et al. : Cell populations involved in pigmented villonodular synovitis of the knee. J. Rheamatol., 27 : 463-470, 2000.