Adrenal gland- S100P negative adrenocortical adenoma.
Anal canal- Squamous cell carcinoma with variable intensity (weak to strong) S100P immunostaining of tumor cells.
Breast- Invasive lobular breast cancer with strong S100P immunostaining of tumor cells.
Colon- Colorectal adenocarcinoma with strong S100P immunostaining of tumor cells.
Kidney- S100P negative clear cell renal cell carcinoma.
Larynx- Squamous cell carcinoma with strong S100P immunostaining of some tumor areas while others are completely negative. Various S100P positive granulocytes are also seen.
Liver- Hepatocellular carcinoma with strong S100P immunostaining of tumor cells.
Lung- Adenocarcinoma with strong S100P immunostaining of tumor cells.
Lung- S100P negative malignant mesothelioma (epitheloid).
Lung- S100P negative malignant mesothelioma (epitheloid). A limited number of S100P positive granulocytes are seen.
Lung- S100P negative malignant mesothelioma (epitheloid). The sample contains numerous S100P positive granulocytes.
Lymph node- S100P negative Hodgkin’s lymphoma containing numerous S100P positive granulocytes.
Oral cavity- Squamous cell carcinoma with only focal S100P positivity of tumor cells.
Ovary- Mucinous carcinoma with strong S100P immunostaining of tumor cells.
Ovary- S100P negative serous high-grade carcinoma.
Pancreas- Acinar cell carcinoma lacking S100P immunostaining of tumor cells.
Pancreas- Ductal adenocarcinoma with strong S100P immunostaining of tumor cells. Few S100P positive granulocytes are also seen.
Pancreas- S100P negative neuroendocrine tumor. Few S100P positive granulocytes are also seen.
Penis- Squamous cell carcinoma with focal S100P immunostaining of tumor cells in areas of keratinization.
Prostate- Adenocarcinoma (Gleason 5+5=10) with moderate to strong S100P immunostaining of tumor cells.
Prostate- S100P negative adenocarcinoma (Gleason 3+3=6).
Skin- S100P negative malignant melanoma containing few S100P positive granulocytes.
Skin- S100P negative Merkel cell carcinoma.
Soft tissue- S100P negative liposarcoma containing numerous S100P positive granulocytes.
Stomach- Gastric adenocarcinoma (diffuse type) with strong S100P immunostaining of tumor cells.
Stomach- Gastric adenocarcinoma (intestinal type) with strong S100P immunostaining of tumor cells. S100P positive granulocytes are also discernible.
Stomach- Gastrointestinal stromal tumor (GIST) lacking any S100P immunostaining.
Testis- S100P negative seminoma.
Thyroid- S100P negative medullary carcinoma.
Thyroid- S100P negative papillary carcinoma.
Urinary bladder- Muscle-invasive urothelial carcinoma with strong S100P immunostaining of tumor cells.
Urinary bladder- Non-invasive urothelial carcinoma (low grade, pTaG2) with strong S100P immunostaining of tumor cells.
Uterus, cervix- Squamous cell carcinoma with variable intensity (weak to strong) S100P immunostaining of tumor cells.
Vagina- Squamous cell carcinoma with strong S100P immunostaining of tumor cells.
Vulva- Squamous cell carcinoma showing strong focal S100P immunostaining of tumor cells. S100P positive granulocytes are abundant.