Ch.4 Disorders & Diseases Of The Skin (Pigment Disorders) Flashcards
What is DYSCHROMIA?
Abnormal pigmentation
Over production of pigment is known as?
Hyperpigmentation
What is hypopigmentation?
Lack of pigment
What are 7 hyperpigmentation forms?
•Melasma
•Lentigo
•Ephelids
•Nevus
•Poikiloderma of civate
•Postinflammatory Hyperpigmentation
•Tan
Hormonal hyperpigmentation disorder that has an identifiable pattern of solid fairly symmetrical hyperpigmentation?
Melasma
Flat, pigmented area similar to a freckle ; small, yellow-brown spots. May call them age spots, as they are associated with aging skin
Lentigo
Macules or freckles (round or oval pigmented areas of skin on areas exposed to sun.
Ephelids
Known as birthmarks, these malformations of the skin from abnormal pigmentation are known as ?
A port wine stain is known as ?
Nevus
Vascular nevus
Actinic bronzing to sides of face & neck. Reddish brown hue with white patch on under chin. It is benign.
Poikiloderma of civatte
Darkened pigmentation due to injury to skin or residual healing after acne lesion has resolved (often deep purple red, brown )
Post inflammatory hyperpigmentation
Change in pigmentation due to melanin production as a result of Exposure to sun that acts as a defense against UV rays that damage skin. This is basically visible damage skin & cells
Tan
4 forms of hypopigmentation?
•leukoderma
•Albinism
•Vitiligo
•Tinea Versicolor
Loss of pigmentario leading to light, abnormal patches of depigmented skin. A congenital disorder acquired due to immunological and post inflammatory causes .
Leukoderma
Rare GENETIC condition where there is lack of melanin pigment in the BODY, including hair , skin, nails , eyes. It’s technical term is congenital Leukoderma or congenital hypopigmentation
Albinism
Pigmentation disease; white irregular patches of skin totally lacking pigment.
Autoimmune disorder causing ABSENCE OF MELANOCYTES?
Vitiligo