December 1, 2015 - SG - Alopecia Flashcards Preview

COURSE 2 > December 1, 2015 - SG - Alopecia > Flashcards

Flashcards in December 1, 2015 - SG - Alopecia Deck (11):
1

Alopecia Scheme

Alopecia

Scaring                                     Non Scarring

Diffuse              Patterned                   Diffuse              Patterned

2

Three Most Common Causes of Alopecia

Alopecia areata

Telogen effluvium

Androgenic alopecia

3

Alopecia Areata

Also known as spot baldness, is an autoimmune disease in which hair is lost from some or all areas of the body. Spots are often seen on the scalp, especially in early stages.

In 1-2% of cases, the condition can spread to the entire scalp (alopecia totalis) or the entire epidermis (alopecia universalis).

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4

Alopecia Totalis

Complete loss of hair on the scalp and head.

Affects the scalp, eyebrows, eyelashes, and facial hair.

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5

Alopecia Universalis

All body hair falls out.

6

Exclamation Point Hairs

A characteristic feature of alopecia areata.

Hairs look like little exclamation points. This is not seen with any other kind of alopecia.

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Ophiasis Pattern

Loss of hair along the bottom and sides.

Poorer prognosis for regrowth of hair.

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8

Alopecia Areata Regrowth

Often comes back as a different texture.

Often comes back as a different colour. (Blonde in kids, or grey in adults)

9

Nail Changes in Alopecia Areata

Can get trachyonychia or "twenty nail dystrophy".

Nails look sandpapered. This can be a manifestation of lichen planus, psoriasis, alopecia areata, IgA deficiency, atopic dermatitis and ichythosis vulgaris.

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10

Androgenic Alopecia

Male-pattern hair loss, also known as androgenic alopecia and male pattern baldness, is hair loss that occurs due to an underlying susceptibility of hair follicles to shrinkage due to the influence of androgenic hormones.

Male-pattern hair loss is the most common cause of hair loss and will affect up to 70% of men and 40% of women at some point in their lifetimes.

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11

Trichotillomania

Pulling out one's hair.

Excoriations may or may not be present. Hair is often at different lengths, broken off hairs are close to the scalp, and there is a geometric shape to the area of hair loss.

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