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A 12-year-old girl presented with a 9-month history of pain in the right leg which began after a minor trauma on the right knee. She was not weightbearing and using a wheelchair. Oedema and purplish colour of skin over the right leg and foot (figure 1A) with allodynia and decreased range of motion of knee and ankle were present. Laboratory tests and Doppler ultrasound were normal, infrared thermography (IRT) showed marked temperature …
Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.
Competing interests None declared.
Provenance and peer review Not commissioned; externally peer reviewed.
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