PMC4862789_01
Biopsy of the peritoneal nodules shows positive staining CK7 on immunohistochemistry
PAMJ-23-60-g001.jpg
PMC4862789_01_PAMJ-23-60-g001.jpg
F0001
The immunohistochemistry showed that the carcinoma cells were positive for cytokeratin 7 (CK7) (Figure 1) and thyroid transcription factor-1 (TT1) (Figure 2) and negative for cytokeratin 20 (CK20) (Figure 3).
Biopsy of the peritoneal nodules shows positive staining TTF1 on immunohistochemistry
PAMJ-23-60-g002.jpg
PMC4862789_01_PAMJ-23-60-g002.jpg
F0002
The immunohistochemistry showed that the carcinoma cells were positive for cytokeratin 7 (CK7) (Figure 1) and thyroid transcription factor-1 (TT1) (Figure 2) and negative for cytokeratin 20 (CK20) (Figure 3).
Biopsy of the peritoneal nodules: CK20 negative on immunohistochemistry
PAMJ-23-60-g003.jpg
PMC4862789_01_PAMJ-23-60-g003.jpg
F0003
The immunohistochemistry showed that the carcinoma cells were positive for cytokeratin 7 (CK7) (Figure 1) and thyroid transcription factor-1 (TT1) (Figure 2) and negative for cytokeratin 20 (CK20) (Figure 3).