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Table 1 Immunohistochemistry findings

From: Extra-adrenal, non-functional adrenocortical carcinoma presenting with acute abdomen: a case report

Marker Interpretation
Pan cytokeratin AE1/AE3 Negative
SF-1 (steroidogenic factor 1) Diffusely positive
Synaptophysin Diffusely positive
Alpha inhibin Focally positive
Melan A Diffusely positive
PAX8 (paired-box gene) Negative
EMA (epithelial membrane antigen) Negative
Chromogranin Negative
S100 protein Positive in a few tumor cells
CD10 Negative
Vimentin Negative
Calretinin Positive
Ki-67 protein 6%
HMB45 (human melanoma black 45) negative