en جراحی زانو Knee surgery گزارش مورد Case Report <div style="text-align: justify;">Bisphosphonates, more particularly alendronate, are a popular category of drugs in the treatment of postmenopausal and corticosteroid-induced osteoporosis. The present study contends that the long-term consumption of bisphosphonates causes not only subtrochanteric and femoral shaft fractures but also pathological fractures at other musculoskeletal sites. This report presents a rare case of alendronate-induced pathological metatarsal fracture in a 59-year-old female with a history of cuboid fracture following a twisting with abnormal Bone Mineral Density (BMD) (T score: &minus;3.5; lumbar spine and &minus;2.6; proximal femur).</div> Atypical fracture, bisphosphonate, metatarsal 25 30 http://jros.iums.ac.ir/browse.php?a_code=A-10-41-43&slc_lang=en&sid=1 Bijan Valiollahi bijan.valiollahi@gmail.com 10031947532846004045 10031947532846004045 No Bone and Joint Reconstruction Research Center, Shafa Orthopedic Hospital, Iran University of Medical Sciences, Tehran, Iran. Mostafa Salehpour salehpour.m@gmail.com 0078607183 10031947532846004046 No Bone and Joint Reconstruction Research Center, Shafa Orthopedic Hospital, Iran University of Medical Sciences, Tehran, Iran. Hamidreza Bashari drhrbashari@gmail.com 10031947532846004047 10031947532846004047 No Bone and Joint Reconstruction Research Center, Shafa Orthopedic Hospital, Iran University of Medical Sciences, Tehran, Iran. Shoeib Majdi shoibmajdi@gmail.com 10031947532846004048 10031947532846004048 No Bone and Joint Reconstruction Research Center, Shafa Orthopedic Hospital, Iran University of Medical Sciences, Tehran, Iran. Mehdi Mohammadpour mehdi.668491@gmail.com 0078604802 10031947532846004049 Yes Bone and Joint Reconstruction Research Center, Shafa Orthopedic Hospital, Iran University of Medical Sciences, Tehran, Iran.