Case Report: Giant cell reparative granuloma of the humerus and femur—two rare cases with atypical skeletal involvement - Scorecard - MDSpire

Case Report: Giant cell reparative granuloma of the humerus and femur—two rare cases with atypical skeletal involvement

  • By

  • Fangfang Xu

  • Qian Li

  • Fei Dong

  • Chao Wang

  • July 7, 2026

  • 0 min

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Clinical Scorecard: Uncommon Instances of Giant Cell Reparative Granuloma in the Humerus and Femur: A Report on Two Cases with Unusual Skeletal Manifestations

At a Glance

CategoryDetail
ConditionGiant Cell Reparative Granuloma (GCRG)
Key MechanismsReactive, non-neoplastic process associated with prior trauma or surgical intervention.
Target PopulationPatients with a history of trauma or surgical intervention.
Care SettingClinical diagnosis and management of osteolytic lesions.

Key Highlights

  • GCRG is a rare benign lesion typically found in the mandible and maxilla.
  • Extragnathic involvement, particularly in long bones, is extremely uncommon.
  • Imaging can mimic giant cell tumors of bone, complicating diagnosis.
  • Histopathological examination is essential for accurate diagnosis.
  • Surgical intervention is often required for management.

Guideline-Based Recommendations

Diagnosis

  • Include GCRG in the differential diagnosis of osteolytic lesions at atypical skeletal sites.

Management

  • Surgical intervention such as intralesional curettage may be necessary.

Monitoring & Follow-up

  • Annual follow-up imaging to assess for recurrence.

Risks

  • Misdiagnosis as giant cell tumor of bone may lead to inappropriate management.

Patient & Prescribing Data

Individuals with prior mechanical strain or localized trauma.

Histopathological confirmation is crucial for guiding treatment.

Clinical Best Practices

  • Integrate radiologic and histopathological findings for accurate diagnosis.
  • Monitor for recurrence post-surgery with regular imaging.

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