Case Presentation Stress Fracture as a Differential Diagnosis for Bone Sarcomas

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Juan Ignacio Pérez Abdala
Tomás Scarpaci
José Ignacio Albergo
Germán Farfalli
Luis Aponte Tinao

Abstract

A 21-year-old woman presents with a two-month history of left knee pain, associated with walking distances greater than 10 km following a prior period of inactivity. The pain has an insidious onset, is mechanical in nature, and no significant findings are observed on physical examination. Initial radiographs reveal diffuse cortical thickening in the distal metaphysis of the left femur. Computed tomography demonstrates cortical reaction with an oblique fracture line, without involvement of the medullary cavity or soft tissues. Magnetic resonance imaging confirms diffuse bone marrow edema, cortical thickening, and laminar submuscular edema. Based on these findings, a core needle biopsy is performed for histopathological analysis.

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How to Cite
Pérez Abdala, J. I., Scarpaci, T., Albergo, J. I., Farfalli, G., & Aponte Tinao, L. (2025). Case Presentation. Revista De La Asociación Argentina De Ortopedia Y Traumatología, 90(1), 3-6. https://doi.org/10.15417/issn.1852-7434.2025.90.1.2051
Section
Instrucción Ortopédica de Posgrado-Imágenes. Presentación del caso
Author Biographies

Juan Ignacio Pérez Abdala, Instituto de Ortopedia y Traumatología “Carlos E. Ottolenghi”, Hospital Italiano de Buenos Aires, Autonomous City of Buenos Aires, Argentina

Instituto de Ortopedia y Traumatología “Carlos E. Ottolenghi”, Hospital Italiano de Buenos Aires, Autonomous City of Buenos Aires, Argentina.

Tomás Scarpaci, Instituto de Ortopedia y Traumatología “Carlos E. Ottolenghi”, Hospital Italiano de Buenos Aires, Autonomous City of Buenos Aires, Argentina

Instituto de Ortopedia y Traumatología “Carlos E. Ottolenghi”, Hospital Italiano de Buenos Aires, Autonomous City of Buenos Aires, Argentina

José Ignacio Albergo, Instituto de Ortopedia y Traumatología “Carlos E. Ottolenghi”, Hospital Italiano de Buenos Aires, Autonomous City of Buenos Aires, Argentina

Instituto de Ortopedia y Traumatología “Carlos E. Ottolenghi”, Hospital Italiano de Buenos Aires, Autonomous City of Buenos Aires, Argentina

Germán Farfalli, Instituto de Ortopedia y Traumatología “Carlos E. Ottolenghi”, Hospital Italiano de Buenos Aires, Autonomous City of Buenos Aires, Argentina

Instituto de Ortopedia y Traumatología “Carlos E. Ottolenghi”, Hospital Italiano de Buenos Aires, Autonomous City of Buenos Aires, Argentina

Luis Aponte Tinao, Instituto de Ortopedia y Traumatología “Carlos E. Ottolenghi”, Hospital Italiano de Buenos Aires, Autonomous City of Buenos Aires, Argentina

Instituto de Ortopedia y Traumatología “Carlos E. Ottolenghi”, Hospital Italiano de Buenos Aires, Autonomous City of Buenos Aires, Argentina

References

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