title: Unusual arthroscopic knee lesions: case report of an intra-articular lipoma.
abstract: Intra-articular lipoma is a rare benign tumor that should be considered in the differential diagnosis of a smooth lobular synovial mass. This article reports a patient who presented with right knee pain, locking, and swelling. At surgery, an intra-articular lipoma was found.
authors.affiliation: Department of Orthopaedic Surgery, Northwestern University Medical School, Chicago, Illinois 60611.
authors.forename: J A
authors.initials: JA
authors.lastname: Hill
authors.forename: W R
authors.initials: WR
authors.lastname: Martin
authors.forename: J W
authors.initials: JW
authors.lastname: Milgram
mesh_terms: D001182:Arthroscopy; D001859:Bone Neoplasms / Q000175:diagnosis*; D003937:Diagnosis, Differential; D006801:Humans; D007719:Knee Joint; D008067:Lipoma / Q000175:diagnosis*; D008297:Male; D008875:Middle Aged