Adrenal gland - TdT negative pheochromocytoma.
Breast - TdT negative invasive breast cancer of no special type (NST).
Colon - TdT negative colorectal adenocarcinoma.
Kidney - TdT negative clear cell renal cell carcinoma.
Kidney - TdT negative papillary renal cell carcinoma.
Liver - TdT negative cholangiocellular carcinoma.
Liver - TdT negative hepatocellular carcinoma.
Lymph node - TdT negative diffuse large B-cell lymphoma.
Lymph node - TdT negative Hodgkin‘s lymphoma.
Ovary - TdT negative high-grade serous carcinoma
Pancreas - TdT negative neuroendocrine tumor.
Prostate - TdT negative adenocarcinoma (Gleason 3+3=6).
Salivary gland - TdT negative Warthin tumor.
Skin - Merkel cell carcinoma containing a small fraction of tumor cells with strong TdT immunostaining.
Skin - Merkel cell carcinoma showing a moderate to strong TdT immunostaining in all tumor cells.
Skin - Merkel cell carcinoma showing a weak to moderate TdT immunostaining in all tumor cells.
Skin - TdT negative Merkel cell carcinoma.
Stomach - TdT negative gastric adenocarcinoma (diffuse type).
Stomach - TdT negative gastric adenocarcinoma (intestinal type).
Stomach - TdT negative gastrointestinal stromal tumor (GIST).
Testis - TdT negative seminoma.
Thymus - Strong TdT positivity in a thymoma.
Thymus - Thymoma showing strong TdT expression in thymocytes.
Thyroid - TdT negative medullary carcinoma.
Thyroid - TdT negative papillary carcinoma.
Urinary bladder - TdT negative muscle-invasive urothelial carcinoma.
Uterus - TdT negative cervical squamous cell carcinoma.
Uterus- TdT negative endometroid endometrium carcinoma.
Uterus - TdT negative leiomyosarcoma.