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Case
An early-teen boy with spastic bilateral cerebral palsy predominantly affecting the lower limbs was admitted to hospital with a 12-hour history of fever and pain in the left thigh. Two months previously the patient had a biceps femoris and semimembranosus muscle fasciotomy and a tendon shortening procedure and had been on anticoagulation therapy. The pain presented following his initial mobilisation after this procedure. His previous medical history was remarkable for a low-grade fever 3 weeks previously, which resolved after a 7-day course of amoxicillin-clavulanic acid.
The patient had a temperature of 38.2°C with a severe limitation in all ranges of movement of his knee, but he was able to weight bear as normal.
Blood tests showed a white blood cells (WBC) of 13 560 x 10ˆ9/L, increased C reactive protein (CRP) level of 43.9 mg/L, a normal erythrocyte sedimentation rate (ESR), a haemoglobin of 103 gr/L and a platelets of 381 x 10ˆ9/L. Creatine kinase and coagulation tests (including D-dimer) were within the normal range.
X-rays of the left hip and knee were unremarkable. An ultrasound scan showed …
Footnotes
Correction notice This paper has been corrected since it was first published. We have corrected the surname of one of the authors.
Contributors RB, AT and AL wrote the first draft of the manuscript. ADF and LL made the revision of the manuscript.
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.