AI Article Synopsis

  • * Approximately 80% of individuals with UBCs present without symptoms unless a fracture occurs, leading to mild pain and tenderness, and diagnosis can be confirmed through clinical evaluation and imaging.
  • * A case study highlights a 16-year-old girl with a UBC in her proximal humerus who experienced multiple refractures, ultimately treated through surgery, leading to restored function of her arm.

Article Abstract

Unicameral bone cysts (UBCs) are noncancerous, fluid-containing sacs commonly seen in the metaphysis of long bones among young individuals, mainly affecting the proximal humerus and femur. Since they are painless, 80% of patients do not experience any symptoms from UBCs unless it is complicated by a pathological or stress fracture. These patients usually present with no history of trauma, with mild pain, local tenderness, and occasionally swelling. The diagnosis of UBCS can either be an incidental finding or can be made with the help of clinical features, radiographs, and differential diagnoses of UBCs like aneurysmal bone cyst, fibrous dysplasia, enchondroma, eosinophilic granuloma, and intraosseous ganglia can be ruled out. While identifying these cysts is often straightforward, there is ongoing debate regarding the optimal management approach. We report a case of a 16-year-old female with proximal humerus UBC who presented with a pathological fracture of the right proximal humerus. The patient was initially managed conservatively. However, she sustained a refracture at the same site twice over four years. Due to fracture recurrence and residual deformity, it was treated surgically with curettage, bone grafting, and internal fixation. The normal alignment and function of the right upper limb were restored postoperatively.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11445718PMC
http://dx.doi.org/10.7759/cureus.68435DOI Listing

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