title: LIPOSARCOMA OF THE KNEE IN A TENNIS PLAYER: CASE REPORT.
abstract: Liposarcoma is an uncommon malignant tumor. It originates in the mesenchymal cells, and is the most common of the soft tissue sarcomas. The authors report a case of a 40 year-old male tennis player with liposarcoma in the posterior right knee and distal thigh region.
authors.affiliation: Assistant Physician of the Sports Traumatology Center (CETE) of the Department of Orthopedics and Traumatology, Universidade Federal de São Paulo - UNIFESP - São Paulo, SP, Brazil.
authors.forename: Jorge Sayum
authors.initials: JS
authors.lastname: Filho
authors.affiliation: Chief Physician of the Department of Orthopedics and Traumatology of the Hospital e Maternidade Assunção(HMA) - São Bernardo do Campo, SP, Brazil.
authors.forename: Jorge
authors.initials: J
authors.lastname: Sayum
authors.affiliation: Assistant Physician of the Sports Traumatology Center (CETE) of the Department of Orthopedics and Traumatology, Universidade Federal de São Paulo - UNIFESP - São Paulo, SP, Brazil.
authors.forename: Rogério Teixeira
authors.initials: RT
authors.lastname: de Carvalho
authors.affiliation: Assistant Physician of the Sports Traumatology Center (CETE) of the Department of Orthopedics and Traumatology, Universidade Federal de São Paulo - UNIFESP - São Paulo, SP, Brazil.
authors.forename: Emerson
authors.initials: E
authors.lastname: Garms
authors.affiliation: Assistant Physician of the Sports Traumatology Center (CETE) of the Department of Orthopedics and Traumatology, Universidade Federal de São Paulo - UNIFESP - São Paulo, SP, Brazil.
authors.forename: Leonardo Addeo
authors.initials: LA
authors.lastname: Ramos
authors.affiliation: Assistant Physician of the Sports Traumatology Center (CETE) of the Department of Orthopedics and Traumatology, Universidade Federal de São Paulo - UNIFESP - São Paulo, SP, Brazil.
authors.forename: Marcelo Mitsura
authors.initials: MM
authors.lastname: Matsuda
authors.affiliation: Assistant Physician of the Sports Traumatology Center (CETE) of the Department of Orthopedics and Traumatology, Universidade Federal de São Paulo - UNIFESP - São Paulo, SP, Brazil.
authors.forename: Benno
authors.initials: B
authors.lastname: Ejnisman
authors.affiliation: Associated Professor, Tenured Professor (nao existe o titulo de "Professor Adjunto" em ingles, entao fiz o mais aproximado - deve verificar com cliente o que eles querem usar. Aparece em algums outros tambem) and head of the Sports Traumatology Center (CETE) of the Department of Orthopedics and Traumatology, Universidade Federal de São Paulo - UNIFESP - São Paulo, SP, Brazil.
authors.forename: Moisés
authors.initials: M
authors.lastname: Cohen
keywords: Athletes; Bone Neoplasms; Knee; Liposarcoma