Proximal femoral replacement with locking plate for massive bone loss: a case report Hironori Ochi, Tomonori Baba, Masahiko Nozawa, Suguru Kato, Kyoko Sasaki, Yuko Sakamoto, Sung-Gon Kim and Muneaki Ishijima SICOT-J, 11 (2025) 29 Published online: 12 May 2025 DOI: 10.1051/sicotj/2025024