Turkish Journal of Physical Medicine and Rehabilitation 2021 , Vol 67 , Num 4

A rare cause of insidious shoulder pain in a young female: A soft tissue aneurysmal bone cyst in supraspinatus muscle

Sibel Süzen Özbayrak 1 ,Duygu Geler Külcü 1
1 Department of Physical Medicine and Rehabilitation, Health Sciences University, Haydarpaşa Numune Training and Research Hospital, Istanbul, Turkey DOI : 10.5606/tftrd.2021.5168 Aneurysmal bone cyst (ABC) is an expansile cystic lesion which may affect any bone of the skeleton. Although extremely rare, lesions with histomorphological characteristics of an ABC occur in the soft tissue. Herein, we report the first case of ABC involving the supraspinatus muscle and mimicking common pathologies, such as myofascial pain syndrome or subacromial impingement syndrome. Keywords : Aneurysmal bone cyst, shoulder pain, soft tissue