Introduction

• M/C benign bone tumour of hands & feet (M/C tumour: squamous cell carcinoma)

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Aetiology

Syndromic associations:

• Maffucci syndrome
• Ollier’s syndrome

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Diagnosis

Radiograph:

• Popcorn/ring/arc calcification or O-ring sign
  • Also seen in: Chondrosarcoma, pulmonary hematoma, fibroadenoma breast

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Management

• Extended curettage