Fig. 10From: The joints in juvenile idiopathic arthritisIn adults more than 2 mm of joint fluid is defined as pathologically increased fluid at the wrist. In children this is frequently seen as a normal finding (arrow). Fluid in the pisotriquetral recess is also often seen in healthy children (arrowhead), here seen on a coronal STIR of a 12-year-old healthy, asymptomatic boyBack to article page