Laparoscopic Diagnosis of Adenocarcinoma of the Appendix Mimicking Serous Papillary Adenocarcinoma of the Peritoneum

Figure 3

(a) Gross photograph of the vermiform appendix and omentum specimen. (b, c) Mucin-producing atypical cells forming a ductal structure ((b) hematoxylin and eosin ×40, (c) ×200). (d) The omental and peritoneal lesions were infiltrated by mucin-producing atypical cells originating from the appendiceal tumor (hematoxylin and eosin ×200).