Normal Tissue Gallery Myeloperoxidase / MPO

Adrenal gland

Aorta, endothelium

Appendix, mucosa

Appendix, muscular wall

Bone marrow – Numerous MPO positive granulocyte precursor cells are seen in the bone marrow.

Breast

Bronchus, mucosa – Numerous MPO positive granulocytes are seen within small capillaries.

Cerebellum (granule cell layer, white matter)

Cerebellum (molecular layer, Purkinje cell layer, granule cell layer)

Cerebrum, grey matter

Cerebrum, white matter

Colon descendens, mucosa – MPO positive granulocytes are seen within small capillaries and possibly also the stroma of the lamina propria.

Colon descendens, muscular wall

Duodenum, Brunner gland

Duodenum, mucosa

Epididymis

Esophagus, squamous epithelium

Fallopian tube, mucosa

Fat

Gallbladder, epithelium

Heart – MPO positive granulocytes are seen within small capillaries.

Ileum, mucosa – MPO positive granulocytes are seen within small capillaries and possibly also the stroma of the lamina propria.

Kidney, cortex

Kidney, medulla – MPO positive granulocytes are seen within small capillaries.

Kidney, pelvis, urothelium

Liver – Few MPO positive granulocytes are seen within the liver sinus.

Lung – MPO positive granulocytes are seen within small blood vessels.

Lymph node – Abundant MPO positive granulocytes are seen within the sinus of a lymph node.

Lymph node

Ovary, stroma

Pancreas

Parathyroid

Parotid gland

Pituitary gland, anterior lobe

Pituitary gland, posterior lobe

Placenta, early

Placenta, mature

Placenta (amnion and chorion)

Prostate – MPO positive intraglandular material is often absent in the prostate.

Prostate – MPO positive material can be seen in the lumina of prostatic glands.

Rectum, mucosa

Seminal vesicle

Skin

Spleen – Numerous MPO positive granulocytes are usually seen within the red pulp of the spleen.

Stomach, antrum – A faint cytoplasmic MPO staining in stomach glands is considered a tolerable cross-reactivity of our antibody.

Stomach, antrum

Stomach, corpus – A faint cytoplasmic MPO staining in stomach glands is considered a tolerable cross-reactivity of our antibody.

Striated muscle

Testis

Thymus

Thyroid gland

Tonsil – Significant MPO staining is seen in inflamed tonsil crypt epithelium which also contains numerous MPO positive granulocytes.

Tonsil, surface epithelium – MPO positive granulocytes are seen within small capillaries

Tonsil, surface epithelium

Urinary bladder, muscular wall

Uterus, ectocervix

Uterus, endocervix

Uterus, endometrium (pregnancy)

Uterus, endometrium (proliferation)

Uterus, endometrium (secretion)

Uterus, myometrium