title: Rapidly developed huge bursitis associated with scapular osteochondroma of the multiple exostosis: a case report.
abstract: Osteochondroma is the most common benign bone tumor and present as multiple masses in the hereditary disorder of multiple hereditary exostosis. It is usually painless without specific symptoms. However, it rarely causes symptoms such as mass effects that produce several mechanical problems, and malignant transformation of the cartilaginous cap. The deformities and interference with major joint function are the most frequent musculoskeletal complaints dependent on the location of the mass. Large bursa formation with mechanical symptom has been very rarely reported in osteochondroma in which bursa is over the cap. Here, we first described a patient with multiple hereditary exostosis who had developed huge bursitis on chest wall around the osteochondroma arising from the anterior surface of the right scapula after dumbbell lifting exercise for 3 months, and suggest that cystic mass can develop in any site of osteochondroma and should be early differentiated from malignant transformation of osteochondroma.
authors.affiliation: Department of Rheumatology, Chonbuk National University, Medical School, Jeonju, South Korea.
authors.forename: Wan-Hee
authors.initials: WH
authors.lastname: Yoo
authors.forename: Jung Ryul
authors.initials: JR
authors.lastname: Kim
authors.forename: Kyu Yun
authors.initials: KY
authors.lastname: Jang
authors.forename: Sang Yong
authors.initials: SY
authors.lastname: Lee
authors.forename: Jong Hyuk
authors.initials: JH
authors.lastname: Park
mesh_terms: D002062:Bursitis / Q000150:complications* / Q000209:etiology; D005097:Exostoses, Multiple Hereditary / Q000150:complications* / Q000473:pathology; D006801:Humans; D008297:Male; D055070:Resistance Training / Q000009:adverse effects*; D055815:Young Adult