Case Presentation
Gonalgia
DOI:
https://doi.org/10.15417/issn.1852-7434.2025.90.1.2051Keywords:
Stress fracture, biopsy, bone sarcomaAbstract
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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