Fig. 1From: Clinical approach to patients with thick wall gallbladderAxial CECT images of malignant GB thickening a showing heterogeneously enhancing thick one-layer pattern (arrowheads, type 1pattern). b Type 2 pattern-intense enhancement of inner layer (white arrow) and weakly enhanced or unenhanced outer layer (black arrow) on portal phase (quoted from Kim et al. [21]Back to article page