title: An unusual cause of subacromial impingement: a collagenous fibroma in the bursa.
authors.affiliation: The Shoulder Unit, St. George's Hospital, London, UK. lydiamilnes@doctors.org.uk
authors.forename: Lydia K
authors.initials: LK
authors.lastname: Milnes
authors.forename: Thomas D
authors.initials: TD
authors.lastname: Tennent
authors.forename: Eyiyemi O
authors.initials: EO
authors.lastname: Pearse
mesh_terms: D000173:Acromioclavicular Joint / Q000601:surgery; D001182:Arthroscopy; D002061:Bursa, Synovial / Q000473:pathology*; D005260:Female; D018220:Fibroma, Desmoplastic / Q000150:complications* / Q000473:pathology; D006801:Humans; D008279:Magnetic Resonance Imaging; D019534:Shoulder Impingement Syndrome / Q000209:etiology* / Q000473:pathology; D020069:Shoulder Pain / Q000209:etiology; D012983:Soft Tissue Neoplasms / Q000150:complications* / Q000473:pathology; D055815:Young Adult