Akatli, Ayse NurUguralp, SemaAlan, SaadetTasci, AytacYildirim, Gokhan2024-08-042024-08-0420211551-38151551-3823https://doi.org/10.1080/15513815.2019.1693673https://hdl.handle.net/11616/99061Background: Myositis ossificans is an extraosseous, benign tumor-like condition characterized by prominent heterotopic ossification. Cystic degeneration in myositis ossificans is an uncommon entity. Case report: A 13-year-old girl presented with a large and painful breast lump. Physical examination revealed a mobile, hard mass, clinically resembling a fibroadenoma. The mass was excised and diagnosed as myositis ossificans with central bone cyst like changes. Conclusion: Our case represents the first myositis ossificans case with central bone cyst like changes in a child.eninfo:eu-repo/semantics/closedAccesssolitary bone cystbreastchildmyositis ossificansArticle4032622703175718110.1080/15513815.2019.16936732-s2.0-85075360978Q3WOS:000498068600001Q4