Figure 1: Histopathology showed the original and metastatic urachal tumor. (a) The overlying urothelium was involved by enteric adenocarcinama. (b) Well-differentiated mucinous adenocarcinoma was seen. (c) There were signet ring cells floating within the mucinous material. (d) Metastatic urachal denocarcinoma destroied the skin of scrotum (H and E) (scale bars = 200 μm).