A-Z OF SKIN
Search our A to Z of Skin to find out more about common skin conditions and problems, their symptoms, causes and how they are diagnosed and treated. You can search by both common and medical names, or by medicine or treatment name.
Both common and medical names have been included to help your search, as well as the names of medications and treatments. There are also a number of cosmetic topics which explain the latest treatments for cosmetic concerns related to the skin. Our thanks go to the many College dermatologists have contributed to the information on this site.
The information provided in the A-Z of Skin is a general guide only and does not replace individual medical advice. Please speak to your doctor for advice about your situation. The ACD is not liable for any consequences arising from relying on this information.
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Naevus Comedonicus
Also known as … Comedonal Naevus, Follicular Keratotic Naevus and Pilosebaceous Naevoid Disorder. Naevus comedonicus is a rare type of epidermal nevus. A benign overgrowth derived from a hair follicle unit.
MoreNaevus fusco-caeruleus zygomaticus
Naevus fusco-caeruleus zygomaticus also known as hori’s naevus, presents as benign (harmless) blue-grey to gray-brown patchy and spotty pigmentation on the prominence of the cheeks.
MoreNaevus of Ota (NOO) and Ito (NOI)
Naevus of Ota is a pigmented birthmark that is slate-brown or blue/grey in colour. When examined under a microscope, the pigmented naevus cells are found in the deep layer of the skin (dermis).
MoreNaevus sebaceous
Naevus sebaceous is a birthmark usually seen on the scalp or face of newborns and infants. In rare cases it can be present on other areas of the body. Naevus sebaceous can be thought of as being similar to a birthmark but made up of sebaceous cells.
MoreNaevus spilus
Naevus spilus is a type of birthmark that consists of a flat brown background patch containing darker brown spots or tiny bumps.
MoreNagashima Disease
Also known as … Prurigo Pigmentosa or Keto Rash. Prurigo Pigmentosa is a rare skin condition characterised by a recurrent itchy, red rash that can leave behind a dark net like mark.
MoreNails
Nails are specialised protective plates of hard keratin (protein that helps form the nail plate) that develop from the epidermis (outermost layer of the skin) overlying the small bones at the ends of the fingers and toes.
MoreNappy rash
Nappy rash is a common, irritant dermatitis occurring in the nappy area, mostly in children under the age of two years. It is not primarily an infection or the result of poor hygiene. There are now fewer cases of severe nappy rash because of the increased use of superabsorbent disposable nappies.
MoreNecrobiosis Lipoidica
Necrobiosis lipoidica is a rare skin condition which typically affects the lower legs. It is characterized by shiny red yellow plaques which usually enlarge and persist for years.
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