Adrenal gland
Adrenal gland - S100B positivity is seen in sustentacular cells and also in a fraction of medullary cells.
Aorta, media
Appendix, mucosa - Appendix with a multitude of intramucosal S100B positive nerve fibres.
Appendix, muscular wall - S100B positive nerve fibres are abundant in the muscular wall of the appendix.
Bone marrow - Fat cells are S100B positive.
Breast - Strong S100B immunostaining in myoepithelial cells while staining is much weaker in luminal breast epithelial cells.
Bronchus, mucosa - Strong S100B immunostaining in some serous cells of bronchial glands.
Cerebellum (molecular layer, Purkinje cell layer, granule cell layer, white matter) - Strong ubiquitous S100B staining in the cerebellum.
Cerebellum (molecular layer, Purkinje cell layer, granule cell layer, white matter) - Strong ubiquitous S100B staining in the cerebellum.
Cerebrum, grey matter - Strong ubiquitous S100B staining (except neurons).
Cerebrum, white matter - Strong ubiquitous S100B staining.
Colon descendens, mucosa
Colon descendens, muscular wall - Nerve fibres and ganglion cells are S100B positive.
Duodenum, Brunner gland
Duodenum, mucosa - A large number of S100B positive nerve fibres is seen in this sample from the duodenum.
Ectocervix
Endocervix
Endometrium, proliferation
Endometrium, secretion
Epididymis
Esophagus, squamous epithelium:
Fallopian tube, mucosa
Fat - Fat cells are S100B positive.
Gallbladder, epithelium
Heart
Ileum, mucosa
Ileum, mucosa - Strong S100B staining of nerve fibres.
Kidney, cortex
Kidney, medulla
Liver
Lung
Lymph node - Strong S100B immunostaining is seen in a subset of T-lymphocytes.
Ovary, follicular cyst - Moderate S100B staining in granulosa cells of a follicular cyst of the ovary.
Ovary, follicular cyst - Follicular cyst of the ovary showing a moderate S100B staining of granulosa cells.
Ovary, stroma - Few S100B positive nerve fibres are visible in the ovarian stroma.
Pancreas
Parathyroid - S100B positivity is seen in fat cells.
Parotid gland - Strong S100B staining of nerves and fat cells.
Parotid gland - S100B positivity is seen in myoepithelial cells, nerve fibres, and fat cells.
Pituitary gland, anterior lobe
Pituitary gland, anterior lobe - A weak S100B staining can be seen in a fraction of cells in the adenohypophysis.
Pituitary gland, posterior lobe
Pregnant uterus (decidua)
Placenta, early
Placenta, mature
Placenta (amnion and chorion)
Prostate
Rectum, mucosa
Seminal vesicle
Sinus paranasales
Skin - Langerhans cells show strong S100B positivity.
Spleen - Strong S100B immunostaining is seen in a subset of T-lymphocytes.
Stomach, antrum
Stomach, corpus
Testis
Thymus - S100P staining of a fraction of thymus epithelial cells and possibly also of lymphocytes.
Tongue, muscle
Tonsil, surface epithelium
Tonsil
Thyroid gland
Urinary bladder, muscular wall
Urinary bladder, urothelium
Uterus, myometrium