Abstract: Ultrasonographic Examination of PatellaA 52-year-old female patient presented to the emergency department (ED) complaining of knee pain after falling.Upon admission to the ED, vital signs of the patient were normal.Physical examination revealed mild swelling and tenderness on the right patella, limitation of motion of the knee, and difficulty walking.Neurovascular examination was within normal limits.Bedside ultrasonographic examination (Mindray® M5, Color Diagnostic Ultrasound System, China) was performed before X-rays (Figure 1).[see page 131 for diagnosis] Figure 1.Cortical disruption (arrow) and hematoma (asterisk) of patella with longitudinal ultrasonography view.98