Adrenal gland- GLUT1 negative adrenocortical adenoma. Staining is limited to erythrocytes
Adrenal gland- GLUT1 negative pheochromocytoma
Breast- GLUT1 negative invasive breast cancer of no special type (NST)
Colon- Colorectal adenocarcinoma with strong GLUT1 immunostaining of tumor cells
Esophagus- Adenocarcinoma with strong, predominantly membranous GLUT1 immunostaining of 20% of tumor cells
Esophagus- Squamous cell carcinoma with strong GLUT1 immunostaining of tumor cells
Kidney- Clear cell renal cell carcinoma with weak membranous GLUT1 immunostaining of tumor cells
Kidney- GLUT1 negative papillary renal cell carcinoma. Only erythrocytes are GLUT1 positive
Liver- GLUT1 negative hepatocellular carcinoma
Lymph node- GLUT1 negative diffuse large B-cell lymphoma
Lymph node- Hodgkin’s lymphoma showing a weak to moderate membranous GLUT1 staining of tumor cells
Lymph node- Large cell anaplastic, ALK1 positive T-cell lymphoma with strong GLUT1 immunostaining of all tumor cells
Ovary- GLUT1 negative granulosa cell tumor
Ovary- Serous high-grade carcinoma with very intense GLUT1 immunostaining of tumor cells
Pancreas- Acinar cell carcinoma completely lacking GLUT1 immunostaining
Pancreas- Ductal adenocarcinoma with strong, predominantly membranous GLUT1 immunostaining of tumor cells
Pancreas- GLUT1 negative neuroendocrine tumor
Prostate- GLUT1 negative adenocarcinoma (Gleason 3+3=6)
Salivary gland- Warthin tumor exhibiting a strong, predominantly basolateral, membranous GLUT1 immunostaining of tumor cells
Skin- GLUT1 negative basal cell carcinoma
Skin- Merkel cell carcinoma with strong GLUT1 immunostaining of about 50% of tumor cells
Skin- Merkel cell carcinoma with strong GLUT1 immunostaining of all tumor cells
Skin- Squamous cell carcinoma showing a strong GLUT1 immunostaining of tumor cells
Soft tissue- GLUT1 negative liposarcoma
Stomach- Gastric adenocarcinoma exhibiting a strong GLUT1 immunostaining of all tumor cells
Stomach- GLUT1 negative gastrointestinal stromal tumor (GIST)
Testis- Embryonal carcinoma with strong membranous GLUT1 immunostaining of all tumor cells
Testis- GLUT1 negative seminoma
Thyroid- Anaplastic carcinoma showing strong GLUT1 immunostaining of 90% of tumor cells
Thyroid- GLUT1 negative papillary carcinoma. Erythrocytes are strongly stained
Urinary bladder- Muscle-invasive urothelial carcinoma showing strong membranous GLUT1 immunostaining of 90% of tumor cells
Uterus, cervix- Squamous cell carcinoma containing a mixture of GLUT1 positive (80%) and negative (or only weakly positive) tumor cells (20%)