Abstract
Case report We report the case of a 2-year girl who presented, in 2007, lameness with swelling of her right knee. Her leg has been putted in plaster but pain remained intense one month after. Blood tests did not show any inflammatory syndrome and standards radiographies were normal. Synovial fluid ponction and synovial biopsy were performed and confirmed a non specific synovitis. These results led to evocate a juvenile oligoarthritis despite the absence of antinuclear antibodies and uveitis. Treatment with Non Steroid Anti-Inflammatory Drugs (NSAIDs) allowed remission of symptoms. Symptoms reappeared 2 years later with swelling of the right knee associated with a localized tumefaction of the external part of the patella. Standard radiographies showed a hypertrophic patella due to abnormal growth. New complete investigations invalidated the diagnosis of oligoarthritis. Right knee echography showed synovitis in the sub-quadricipital recessus and a mass with several tortuous lesions which evocated a hemangioma in Hoffa’s fat. Another ultrasound confirmed that this hemangioma was at the expense of the lateral chief of quadriceps. Currently, this young girl is treated by NSAIDs and an interventional treatment by sclerosis first and then by surgery is discussed but the age of this patient leads to delay these treatments.
Highlights
Case report We report the case of a 2-year girl who presented, in 2007, lameness with swelling of her right knee
Right knee echography showed synovitis in the sub-quadricipital recessus and a mass with several tortuous lesions which evocated a hemangioma in Hoffa’s fat. Another ultrasound confirmed that this hemangioma was at the expense of the lateral chief of quadriceps. This young girl is treated by Non Steroid Anti-Inflammatory Drugs (NSAIDs) and an interventional treatment by sclerosis first and by surgery is discussed but the age of this patient leads to delay these treatments
Vascular malformations are divided into various subcategories depending on the predominant anomalous channels: venous, lymphatic, capillary and arterial
Summary
Case report We report the case of a 2-year girl who presented, in 2007, lameness with swelling of her right knee. Recurrent swelling of right knee: a case of hemangioma From 18th Pediatric Rheumatology European Society (PReS) Congress Bruges, Belgium. Blood tests did not show any inflammatory syndrome and standards radiographies were normal. These results led to evocate a juvenile oligoarthritis despite the absence of antinuclear antibodies and uveitis.
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