Ectocervix - Cytokeratin 13 immunostaining is strong in all supra-basal cell layers of non-keratinizing squamous epithelium but weak or absent in basal cells.
Endocervix
Endometrium, proliferation
Endometrium, secretion
Epididymis
Esophagus, squamous epithelium - Cytokeratin 13 immunostaining is strong in all supra-basal cell layers of non-keratinizing squamous epithelium but weak or absent in basal cells.
Fallopian tube, mucosa
Fat
Gallbladder, epithelium
Heart
Kidney, cortex
Kidney, medulla
Liver
Lung
Lymph node
Ovary, stroma
Pancreas
Parathyroid
Parotid gland
Pituitary gland, anterior lobe
Pituitary gland, posterior lobe
Pregnant uterus (decidua)
Placenta, early
Placenta, mature
Placenta (amnion and chorion)
Prostate
Rectum, mucosa
Seminal vesicle - Few scattered Cytokeratin 13 positive cells or cell groups occur in basal cells of seminal vesicle epithelium.
Sinus paranasales
Skin - Cytokeratin 13 staining is usually absent in the skin.
Spleen
Stomach, antrum
Stomach, corpus
Ileum, mucosa
Striated muscle
Testis
Thymus - Cytokeratin 13 immunostaining is seen in a fraction of thymic epithelial cells.
Thymus - Cytokeratin 13 positivity is seen in a fraction of thymic epithelial cells.
Thyroid gland
Tonsil, surface epithelium - Cytokeratin 13 immunostaining is strong in all supra-basal cell layers of non-keratinizing squamous epithelium but weak or absent in corresponding basal cells.
Tonsil
Urinary bladder, muscular wall
Urinary bladder, urothelium - Cytokeratin 13 is positive in urothelium (except umbrella cells).