Vascular anomalies: A pictorial review of nomenclature, diagnosis and treatment

Figure 20 21-year-old man, who presented with pain and swelling of his leg. Radiograph of the femur demonstrates cortical erosion of the distal femur (arrows) (A). T1 weighted coronal magnetic resonance (MR) of the knee demonstrates innumerable focal lesions in the tibia and femur (B). These lesions are high signal intensity on T2 weighted coronal MR (C), however no contrast enhancement was seen within the lesions. Biopsy of the femur demonstrated a lymphatic microcystic lymphatic malformation.