From: Melanotic medullary carcinoma of thyroid – report of a rare case with brief review of literature
IHC | Present case | *3 | *4 | *5 | *6 | *7 | *8 | *9 | *10 | *11 |
---|---|---|---|---|---|---|---|---|---|---|
Calcitonin | + | + | + | + | + | + | + | + | + | + |
HMB-45/Melanin stain | + | + | + | + | + | + | + | - | + | + |
Carcinoembryonic antigen | + | + | + | |||||||
Synaptophysin | + | |||||||||
Chromogranin | + | + | + | + | + | |||||
Epithelial membrane antigen | + | |||||||||
Vimentin | + | |||||||||
Cytokeratin | + | + | + | |||||||
S-100 | - | - | + | + | + | |||||
Melan-A | - |