Zoster

(zos'-ter). See Herpes zoster. Z. atypic us gangraenosus et hysteric us. Kaposi's term for a vesicular affection characterized by an eruption of vesicles and papules, chiefly in groups, followed. by central scabbing, and which was often surrounded by a corona of pus or minute pustules. In some parts, from coalescence, large areas of gangrene are produced, followed by sloughing, and keloid development in the scar. The eruption is symmetric, shows a marked tendency to recur, and occurs in hysteric individuals. Z. auricular is, a form of zoster affecting the ear. Z. brachial is, zoster affecting the arm or forearm. Z. capillitii et frontal is, zoster of the forehead and scalp over the distribution of the first branch of the fifth nerve. Z. cerebral is, zoster which sometimes affects the whole of one side of the body and is of cerebral origin. Z. cervico-subclavicular is, zoster affecting the neck and anterior portion of the chest. Z. facial is, zoster in the distribution of the trigeminus nerve. Z., Herpes, shingles. An acute herpetic vesicular eruption in the distribution of a cutaneous nerve, often an intercostal nerve. Z. hysteric us, zoster due to hysteria. Z. lumbo-femoral is, zoster appearing on the nates, thigh, and calf of the leg. Z. lumbo-inguinal is, zoster of the back and groin. Z. ophthalmic us, an eruption in the course of the ophthalmic division of the fifth nerve. It is confined to the orbital region, the side of the nose, the forehead, and the anterior part of the scalp. Z. pectoral is, zoster affecting the pectoral region. Z. per in seal is, zoster affecting the vulva, or the penis and scrotum, and the perineum.