Case Report
Copyright ©2012 Baishideng Publishing Group Co.
World J Gastroenterol. Nov 21, 2012; 18(43): 6324-6327
Published online Nov 21, 2012. doi: 10.3748/wjg.v18.i43.6324
Figure 4
Figure 4 The granular cell tumor cells partially infiltrated a peripheral nerve fibrous tissue bunch in the bile duct wall. In addition, they infiltrated the vein in the bile duct wall and occluded some of the vein lumina. A: Granular cell tumor involving a small nerve (Elastica-Masson stain, × 4); B: A vein is replaced by a neoplastic cell (Elastica-Masson stain, × 4).