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DOI: 10.1055/s-0043-1770906
Atypical Metatarsal Fractures: Report of Five Clinical Cases
Artikel in mehreren Sprachen: português | English Financial Support The authors declare that they have received no financial support from public, commercial, or non-profit sources.
Abstract
Atypical fractures are well elucidated when they occur in the femur and are related to the use of bisphosphonates. Prolonged therapy with this drug leads to excessive suppression of bone remodeling, which makes the bone more brittle. In general, they are caused by minimal trauma or are atraumatic. This type of fracture is also reported in other bony sites, such as the metatarsus. Some reports and studies on atypical metatarsal fractures have been published, but further investigations are required to better understand this type of fracture and establish the proper diagnosis, treatment and conduct.
The present study is a report of five cases of patients who presented metatarsal fractures during therapy with bisphosphonates. All patients were female, had osteoporosis as a preexisting disease, were taking bisphosphonates, presented fractures that were either atraumatic or caused by minimal trauma, and the imaging examination showed a transverse meta-diaphyseal fracture of the fifth metatarsal shaft with thickening of the lateral cortex, image characteristics similar to the criteria used by the American Society for Bone and Mineral Research (ASMBR) to define atypical femur fractures.
Study carried out at the School of Medicine at Universidade Federal do Maranhão, São Luís, MA, Brazil.
Publikationsverlauf
Eingereicht: 05. März 2022
Angenommen: 27. Oktober 2022
Artikel online veröffentlicht:
19. April 2024
© 2024. The Author(s). This is an open access article published by Thieme under the terms of the Creative Commons Attribution 4.0 International License, permitting copying and reproduction so long as the original work is given appropriate credit (https://creativecommons.org/licenses/by/4.0/)
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