Intra-articular osteoid osteoma at the elbow mimicking arthritis: a case report - Fukuda, Ryuichi; Matsuoka, Masatake; Kawamura, Daisuke; Endo, Takeshi; Kanno-Okada, Hiromi; Urita, Atsushi; Matsui, Yuichiro; Onodera, Tomohiro; Iwasaki, Norimasa (Annals of Joint, 2021)