title: A Solitary Asymptomatic Tumor on the Knee.
authors.affiliation: Department of Dermatology, Fattouma Bourguiba Hospital, Monastir, Tunisia.
authors.forename: Youssef
authors.initials: Y
authors.lastname: Monia
authors.affiliation: Department of Dermatology, Fattouma Bourguiba Hospital, Monastir, Tunisia.
authors.forename: Korbi
authors.initials: K
authors.lastname: Mouna
authors.affiliation: Department of Anatomopathology, Fattouma Bourguiba Hospital, Monastir, Tunisia E-mail: monia.youssef@gmail.com.
authors.forename: Leila
authors.initials: L
authors.lastname: Njim
authors.affiliation: Department of Dermatology, Fattouma Bourguiba Hospital, Monastir, Tunisia.
authors.forename: Belkahla
authors.initials: B
authors.lastname: Marouene
authors.affiliation: Department of Dermatology, Fattouma Bourguiba Hospital, Monastir, Tunisia.
authors.forename: Belhadjali
authors.initials: B
authors.lastname: Hichem
authors.affiliation: Department of Dermatology, Fattouma Bourguiba Hospital, Monastir, Tunisia.
authors.forename: Zili
authors.initials: Z
authors.lastname: Jameleddine