Ultrasonography of normal and abnormal appendix in children

Figure 2 Ultrasonographic and histologic findings of mucosal lymphoid hyperplasia of the appendix. A: Normal appendix with thick inner hypoechoic band was seen (arrows). The maximal outer diameter was measured as 7.3 mm; B: The thickness of the inner hypoechoic band (cursors) of the appendix (arrows) was measured as 1.4 mm; C: Prominent lymphoid follicles (arrows) were found (× 20, H-E stain).