Adrenal gland – PAX6 negative adrenocortical adenoma
Breast – PAX6 negative invasive breast cancer of no special type (NST)
Breast – PAX6 negative invasive lobular breast cancer
Colon – PAX6 negative colorectal adenocarcinoma
Duodenum – Neuroendocrine tumor with strong PAX6 immunostaining of all tumor cells
Esophagus – Neuroendocrine tumor with weak to moderate nuclear PAX6 positivity of tumor cells
Esophagus – PAX6 negative adenocarcinoma
Ileum – Neuroendocrine tumor with weak PAX6 immunostaining of about 50_ of tumor cells
Kidney – PAX6 negative clear cell carcinoma
Kidney – PAX6 negative oncocytoma
Liver – PAX6 negative cholangiocellular carcinoma
Liver – PAX6 negative hepatocellular carcinoma
Lung – PAX6 negative adenocarcinoma
Lung – PAX6 negative malignant mesothelioma (epitheloid)
Lung – PAX6 negative neuroendocrine tumor
Lung – PAX6 negative small cell carcinoma
Lung – PAX6 negative squamous cell carcinoma
Lymph node – PAX6 negative diffuse large B-cell lymphoma
Ovary – PAX6 negative clear cell carcinoma
Ovary – PAX6 negative granulosa cell tumor
Ovary – PAX6 negative serous high-grade carcinoma
Ovary – Serous high-grade carcinoma with faint PAX6 positivity of a subset of tumor cells
Pancreas PAX6 negative neuroendocrine tumor
Pancreas – Neuroendocrine tumor with intense PAX6 staining of all tumor cells
Pancreas – Neuroendocrine tumor with moderate to strong PAX6 staining of _90_ of tumor cells
Pancreas – Neuroendocrine tumor with strong nuclear PAX6 positivity of tumor cells
Pancreas – Neuroendocrine tumor with strong PAX6 positivity of tumor cells
Pancreas – Neuroendocrine tumor with strong, predominantly nuclear PAX6 immunostaining of all tumor cells
Pancreas – PAX6 negative acinar cell carcinoma
Pancreas – PAX6 negative adenocarcinoma of the papilla Vaterii
Pancreas – PAX6 negative ductal adenocarcinoma. A group of Pax6 positive cells reflects a remnant of an islet of Langerhans
Penis – Squamous cell carcinoma with faint Pax6 positivity of some tumor cells
Prostate – PAX6 negative adenocarcinoma (Gleason 3+3=6)
Prostate – Recurrent adenocarcinoma (Gleason 5+5=10) with moderate PAX6 staining of about 30_ of tumor cells
Prostate – Small cell carcinoma with faint PAX6 staining of a subset of tumor cells
Salivary gland – PAX6 negative Warthin tumor
Skin – Basal cell carcinoma with weak PAX6 positivity of most tumor cells
Skin – Merkel cell carcinoma with strong PAX6 staining of all tumor cells
Soft tissue – PAX6 negative leiomyosarcoma
Soft tissue – PAX6 negative liposarcoma
Stomach – PAX6 negative gastric adenocarcinoma
Stomach – Pax6 negative gastrointestinal stromal tumor (GIST)
Testis – Pax6 negative Leydig cell tumor
Testis – Pax6 negative seminoma
Thyroid – Pax6 negative medullary carcinoma
Thyroid – Pax6 negative papillary carcinoma
Urinary bladder – Muscle-invasive urothelial carcinoma with faint Pax6 immunostaining of few tumor cells
Urinary bladder – Pax6 negative muscle-invasive urothelial carcinoma
Urinary bladder – Small cell carcinoma with moderate to strong Pax6 positivity of most tumor cells
Uterus, cervix – Pax6 negative squamous cell carcinoma
Vulva – Pax6 negative squamous cell carcinoma