Term
| Common superficial fungal infection caused by Malassezia furfur |
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Definition
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Term
| _______ of subtle scale confirms the diagnosis of Tinea versicolor |
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Definition
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Term
| Tinea versicolor appears where? |
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Definition
| Appears on neck, trunk, and upper arms (turtle neck sweater) rare on face or distal extremities |
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Term
| Spaghetti (hyphae) & meat-balls (spores) is characteristic of what? |
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Definition
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Term
| Tinea versicolor Lesions can be of varying colors: (3) |
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Definition
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Term
| Tinea versicolor Lesions appear as ___, ____ patches |
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Definition
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Term
| Tinea versicolor Common disease – seen more in __ climates |
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Definition
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Term
| Tinea versicolor: Any age group may be affected, but more common in ___ ___ |
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Definition
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Term
Tinea versicolor Hx: occasionally mildly ___ , but usually _____
Pt usually seek medical attention because of its appearance
Affected areas do not ___, but surrounding skin does |
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Definition
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Term
| Tinea versicolor Therapy: |
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Definition
topical:
Selsun, Head and Shoulders or Nizoral shampoo lathered on affected area, leave on x 10 minutes – various treatment schedules
oral
Fluconazole 200mg and repeat in 2 weeks
** After initial therapy, it takes months for the discoloration to resolve *** |
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Term
| Tinea versicolor Ddx: (2) |
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Definition
| vitiligo or seborrheic dermatitis |
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Term
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Definition
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Term
| Wood’s light accentuates completely depigmented macules without scale in this condition: |
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Definition
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Term
| Vitiligo Commonly seen where? |
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Definition
| periorificial and dorsal hands, elbows, and knees |
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Term
| Common cause of depigmentation? |
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Definition
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Term
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Definition
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Term
| acquired condition in which functional melanocytes disappear from affected skin – unknown cause, but may be related to autoimmune conditions |
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Definition
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Term
vitiligo Occurs in about 1% of US pop
Any age, but 10-30 years old most common
Usually asymptomatic, but is cosmetically disfiguring |
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Definition
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Term
| difference between vitiligo & tinea versicolor? |
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Definition
vitiligo = No scale
versicolor = fine scales |
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Term
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Definition
Narrow-band UVB
Topical steroids
Protopic
PUVA
Covering cosmetics (CoverMark or Dermablend)
Autologous minigrafting
Epidermal grafting
Transplantation of cultured melanocytes |
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Term
The course of vitiligo is ___
It is often ____ and slowly progressive
Can involve the total body surface
Spontaneous repigmentation occurs in a minority of patients but usually is incomplete.
Repigmentation begins around the ____ ____ |
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Definition
unpredictable
chronic
hair follicles |
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Term
In selected patients with extensive vitiligo disease, the best cosmetic result may be obtained by ____ the remaining normal skin.
Topical application of 20% monobenzyl ether of hydroquinone (Benoquin)
* PERMANENT * |
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Definition
depigmenting
Ex. michael jackson |
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Term
| Vitiligo Proposed mechanisms: (3) |
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Definition
Autoimmune
Neural
Self-destruction |
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Term
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Definition
TSH – rule out thyroid disease
CBC – rule out pernicious anemia |
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Term
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Definition
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Term
| Pityriasis Alba Characterized by .... |
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Definition
| hypopigmented, white patches |
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Term
| Pityriasis Alba More commonly seen in ____ children |
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Definition
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Term
| Pityriasis Alba Probably a low-grade ___ reaction |
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Definition
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Term
Pityriasis alba It is an __ hypopigmented condition
Very common, but most do not seek medical attention |
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Definition
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Term
| Pityriasis alba Usually ___ or mildly ____ |
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Definition
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Term
Pityriasis alba in Kids – usually on ___
Young women – upper ___ |
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Definition
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Term
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Definition
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Term
|
Definition
Emollients
1% hydrocortisone cream daily |
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Term
Pityriasis Alba:
Epidermis has....
Dermis has ... |
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Definition
Hyperkeratosis
mild inflammation around
superficial blood vessels |
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Term
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Definition
| posinflammatory hypopigmentation |
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Term
| Inflammation suppresses or destroys melanocytes |
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Definition
| Postinflammatory Hypopigmentation: |
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Term
| Postinflammatory Hypopigmentation: Characterized by .... |
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Definition
| white macules without scale |
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Term
| Postinflammatory Hypopigmentation: Repigmentation takes months to years (or never) |
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Definition
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Term
| Postinflammatory Hypopigmentation Causes: |
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Definition
Physical trauma
- Radiation
- Frostbite
Chemicals
- phenol
Skin diseases
- DLE
- Eczematous dermatitis
- Psoriasis |
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Term
| Postinflammatory Hypopigmentation Treatment: |
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Definition
Treat underlying cause
None
Cosmetic covering |
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Term
| Definition: rare, inherited, neurocutaneous disorder with several skin findings |
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Definition
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Term
| Tuberous Sclerosis Classic triad: |
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Definition
Seizures
Mental retardation
Adenoma sebaceum |
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Term
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Definition
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Term
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Definition
|
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Term
| Tuberous Sclerosis: White spots usually present at birth, 1-3cm, shaped like a “___ ” or an “___” – usually on the trunk, 3 to 100 spots, examine with ___ |
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Definition
thumbprint
ash leaf
a Wood’s light |
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Term
| Nervous system often affected – calcification of intracranial nodules happens in what condition? |
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Definition
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Term
| ____ – misnamed disorder – angiofibromas that begin in childhood and appear clinically as red papules on the face |
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Definition
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Term
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Definition
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Term
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Definition
| Idiopathic Guttate Hypomelanosis |
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Term
Idiopathic Guttate Hypomelanosis Common condition that is under-recognized by physicians
____ more commonly affected
Lesions look like “_____”
Usually on the ___ & _____
No effective treatment |
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Definition
Women
sprinkled confetti
shins and forearms |
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Term
| lesions that look like "sprinked confetti" |
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Definition
| Idiopathic Guttate Hypomelanosis |
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Term
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Definition
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Term
Uncommon - Leprosy
Endemic in southeastern USA and Hawaii
Caused by acid-fast organism _____
Dx often delayed by > 1 year in USA
Often the earliest sign is a solitary hypopigmented macule
Earliest sensory change is loss of feeling to light touch and cold in hands and feet
____ involvement is disease hallmark |
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Definition
Mycobacterium leprae
Nerve |
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Term
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Definition
| Uncommon – Hypopigmented Mycosis Fungoides |
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Term
Uncommon – Hypopigmented Mycosis Fungoides
Form of cutaneous _______ ______
Patients often present with patches that have been diagnosed as “nonspecific eczema”
MF is usually ____ with ___ ____
Usually on the ___ & ____
If a dermatitis fails to respond to topical steroids, a biopsy could confirm the suspicion of mycosis fungoides |
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Definition
T-cell lymphoma
erythematous
fine scale
buttocks and trunk |
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