1. SUPPURATIVE ARTHRITIS by AYMAN ABU MEHREM, MD, CABP

5. ALL PRIMARY CARE PHYSICIANS CARING FOR CHILDREN SHOULD EXPECT TO ENCOUNTER THIS DISEASE

13. THE MOST CONSISTENT SIGN IS PAIN WITH PASSIVE MOTION

24. Frontal radiograph of the pelvis shows radiographic signs suggesting right hip joint effusion: lateral displacement of the femoral epiphysis, subtle bulging of the fat planes

26. Illustration of correct technique for parasagittal hip US to rule out effusion. The patient is supine and the transducer is held perpendicular to the bed just lateral to the common femoral artery and vein.

27. Parasagittal US image of the hip showing joint effusion Parasagittal US image of the right hip shows the normal juxta-articular soft tissue planes

30. Coronal T1W MR image in a 13 yr old boy with septic arthritis showing right hip effusion.

34. Diagnostic procedures: joint aspiration, synovial fluid Poor Good Mucin clot 50 - 90 None(<10) Synovial fluid-to-serum glucose diff. (mg/dL) 90 <10 PMN % 10,000 - 250,000 (80,000) 0 - 200 WBC( / μL) Very turbid, white gray Clear-straw color, yellow Appearance Septic arthritis Normal

46. COMPLICATIONS

47. COMPLICATIONS