Urachal Adenocarcinoma: A Case Report with Key Imaging Findings and Radiologic-Pathologic Correlation

Figure 4

(a) Histologic image of the resected tumor (cytokeratin 34-beta-E12, 100x). Most of the neoplastic cells expressed high molecular-weight cytokeratins (black arrow). (b) Neoplastic cells showing diffuse membranous and cytoplasmic expression of beta-catenin (blue arrow). Note that there is no nuclei staining (beta-catenin, 400x).

(a)

(b)