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Dermatology Mayo > Ch 13 Regional Dermatology > Flashcards

Ch 13 Regional Dermatology Flashcards

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Dermatology Board Prep flashcards
1
Q

Hair Growth

A

From placode mesenchymal cells in development

-Matrix is where melanocytes enter to cause color

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2
Q

Hair Cycle

A

-Anagen: Growth
-Catagen: Stop growth and clubbing of nail
Telogen: Shedding

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3
Q

Localized alopecia

A

Nonscarring: Areata, Traction, Human ringworm, Trichitlomania
Scarring: burns, LE, Ringworm non human, Aplasia Cutis, Cicatrical BC, Lichen planus, Sarcoid, pseudopalade

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4
Q

Areata

A

T cell infilatrate around hair bulbs

  • HLA D and DOwns are associated
  • Exclemation mark short hairs that taper towards scalp
  • Syphilis may cause moth eaten hair, Margin is bad prognosis
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5
Q

Androgenetic

A
  • Turn to velus

- Genetic

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6
Q

Traction

A

-May cause folliculitits and maybe scarring

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7
Q

RIngowowm

A

Scarring when non human strains

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8
Q

Scarring

A

Discoid LE

-Lichen Planus, morphea

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9
Q

Telogen Efflucivum

A

-Stress causes hairs to synchronize in catagen and then shed diffusely
Can be seen accompanying beaus lines

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10
Q

Hypohidriotic Ectodermal Dysplasia

A
  • Teeth, Nails, Hair
  • Can’t sweat
  • XLR
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11
Q

Netherton

A
  • Ca metabolism

- Also causes icthyosis

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12
Q

Hirsuitism

A
  • Most is familial and idiopathic
  • PCOS common cause
  • If Virilization look for cause
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13
Q

Beckers Nevus

A

-Hypertrichosis

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14
Q

Cosmetics

A

PPD can cause contact allergy

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15
Q

Hypertrichosis

A 
Anorexia
Drugs: Cyclosporin
Cutaneous Porphyrias
FAS/Phenytoin
Malignancy leads to lanugo
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16
Q

Nail Structure

A

Nail Fold which houses the matrix which makes that plate that sits on the bed

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17
Q

Onychogryphosis

A

-Thickening of the nail due to long term repeated trauama

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18
Q

CT diseases

A

Can cause telangectasia

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19
Q

Lichen Planus

A

Longitudinal Grooves with thinning

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20
Q

Acute Paronychia

A
  • Pussy infection beneath nail, commonly near the matrix and initial plate
  • Commonly caused by staph
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21
Q

Chronic Paronychia

A

Folds are tender and swollen, often occupational

22
Q

Dermatophytes

A
  • Commonly spread from tinea pedis
  • Causes onychomycosis and crumbling of nail
  • Don’t treat unless symptomatic
23
Q

Periungal Fibroma

A

Tuberous sclerosis

24
Q

Myxoid Cysts

A

Cause longtidunal groove in nail

25
Q

Yellow Nail

A

-Associated with lyphatic obtrucion and pulmonary edema

26
Q

Lichen Planus

A

Lacy white lesions in mouth

  • Hep B/C should be checked as well as anti mitochondrial Ab
  • Ulcerative form can lead to SCC
27
Q

Candidiasis

A
  • Treat with imidazoles

- Many causes

28
Q

Pemphigus Vulgaris

A
  • Mouth ulcer that doesn’t heal after time

- Also cicatricial pemphigoid causes mucus membrane lesions

29
Q

Apthous Ulcers

A

Bechets, Chrons, Lupus, HIV, Vitamin Deficency

30
Q

Peutz Jeghers

A

-Hyperpigented Macules on lips leads to internal malignancy

31
Q

Benign Mouth Lesions

A

Fox-Fordyce are sebaceous glands in mouth
Mucocele
Pseudoxanthoma elasticum

32
Q

Cowdens and HHT

A

Cowdens is fibrous papules

-HHT is telangectasia that can bleed

33
Q

Black Hairy Tongue

A

Pigmentation and hypertrophy of filiform papillae leads to thick tongue
-Brush teeth

34
Q

Smooth TOngue

A

Malabsorption

35
Q

Fissure Tongue

A

Development, Downs, Trauma, Smoking

36
Q

Geographical

A

Atopic, Familial, Psoriasis

-Tx with steroids

37
Q

Hairy Leukoplakia

A

-EBV in pts with aids, give HAART

38
Q

Macroglossia

A

-Amyloid, Thyroid

39
Q

Glossydonia

A

-DM, Drymouth, Candidiasis

40
Q

Furred Tongue

A

Hypertrophy of filiform papillae

41
Q

Lichen Sclerosis

A
  • Common on genetalia and anal region

- Can cause phimosis and lead to cancer

42
Q

Lichen Planus

A

Can have lesions on genetalia,

  • Look for wickhams striae
  • Always confirm with mouth lesions
43
Q

Pruritis

A

Many causes, don’t itch, can cause lichenification

44
Q

Pearly penile papules

A

angiofibromas of glans

45
Q

Fordyce

A

Ectopic sebacous on glans

46
Q

fixed drug

A

commonly seen on penis

47
Q

SCC

A
  • Can arise from bowen disease or erythroplasia of queryt
  • HPV associated
  • Penectomy or topical immunotherapies or Mohs
48
Q

Eryhtrasma

A

Brown patches on upper thighs, often in axillae as well

49
Q

Inverse psoriasis

A

Gluteal fold

50
Q

Interigo

A

Maceration

Dermatology Mayo (26 decks)

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