Bilateral acute haemangioma of the knee

Recurrent knee swelling is a common orthopaedic problem which sometimes can be a diagnostic enigma. We report a case of bilateral haemangioma of the knee, which presented clinically after trauma, as an unusual cause of knee swelling. This case demonstrates the therapeutic difficulties in surgical treatment of an haemangioma and emphasises the need for complete excision of this lesion. We further postulate that the aetiology of these lesions was possibly a result of trauma initiated growth of pre-existing haemangiomata.