Vaginitis. Light micrograph of a section from an affected vagina. Vaginitis is infectious or non-infectious inflammation of the vaginal mucosa, sometimes with inflammation of the vulva. Symptoms include vaginal discharge, irritation, pruritus, and erythema. Diagnosis is by evaluation of vaginal secretions. Treatment is directed at the cause and at any severe symptoms. Thickening of the epithelium with a large number of polymorphonuclear leukocytes present is shown in this image. Mag: x160 when printed at 10 centimetres wide. Human tissue.