Giant struma ovarii with pseudo-Meigs’syndrome and raised cancer antigen-125 levels: A case report

Figure 3 Hematoxylin-eosin staining and immunohistochemistry of percutaneous biopsy of the pelvic mass. A: Hematoxylin-eosin staining showed multiple benign colloid-filled thyroid follicles (× 200); B-D: Immunohistochemistry (IHC) examination revealed that pelvic mass was positive for thyrobolulin (× 200), thyroid transcription factor-1 (× 200) and Cytokeratin-7 (× 200), respectively; E-L: IHC examination revealed that pelvic mass was negtive for Cytokeratin-20 (× 200), caudal-related homeobox transcription factor 2 (× 200), Estrogen receptor (× 200), calretinin (× 200), P53 (× 200), P16 (× 200), Wilms tumor-1 (× 200) and Ki-67 (× 200), respectively.