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Unusually large nodular masses over elbows and knee in a 6-year-old boy
  1. Arti Khatri1,
  2. Lavleen Singh1,
  3. Anil Agarwal2
  1. 1 Pathology, Chacha Nehru Bal Chikitsalaya, New Delhi, India
  2. 2 Orthopedic Surgery, Chacha Nehru Bal Chikitsalaya, New Delhi, India
  1. Correspondence to Dr Lavleen Singh, Pathology, Chacha Nehru Bal Chikitsalaya, New Delhi 110031, India; singhlavleen04{at}

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A 6-year-old boy presented with pain due to large masses over the dorsal aspects of both elbows and right knee. The lesions first appeared at 1 year of age and gradually increased in size over a period of 5 years to their present size, 6×5×5 cm, 6×5×3 cm (over the dorsum of the right and left elbows, respectively) and 2.5×2×0.5 cm (near extensor …

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  • Contributors AK: framing of manuscript and review of literature. LS: critical review and histopathology reporting. AA: treating surgeon.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; externally peer reviewed.

  • Patient consent for publication Parental/guardian consent obtained.

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