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Clin Med I - Dermatology > Verrucous Lesions and Neospasms > Flashcards

Verrucous Lesions and Neospasms Flashcards

1
Q

What is seborrheic keratosis?

A
  • most common verrucous lesion

- benign

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2
Q

How does seborrheic keratosis develop?

A
  • epidermal proliferation
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3
Q

Who does seborrheic keratosis affect?

A
  • 50+ y/o with + family hx
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4
Q

What are the clinical features of seborrheic keratosis?

A
  • well defined
  • raised, ‘stuck on’ appearance
  • color varries
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5
Q

What are the symptoms of seborrheic keratosis?

A
  • asymptomatic

- pruritis or tender if irritated

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6
Q

What is the treatment for seborrheic keratosis?

A
  • none necessary
  • cryotherapy
  • surgical
  • topical antipruritic
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7
Q

When would you biopsy seborrheic keratosis?

A
  • when it is not clear cut
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8
Q

What causes actinic keratosis?

A
  • sun exposure
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9
Q

What are the clinical features of actinic keratosis?

A
  • horn-like
  • scaly
  • flaky
  • rough like sandpaper
  • red
  • pink
  • sensitive
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10
Q

How do you find the lesion of actinic keratosis?

A
  • palpate
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11
Q

What does actinic keratosis develop into?

A
  • squamous cell skin cancer
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12
Q

What is the treatment for actinic keratosis?

A
  • cryotherapy
  • topical chemotherapy
  • photodynamic therapy
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13
Q

How is actinic keratosis prevented?

A
  • sun safety
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14
Q

What is the most common form of skin cancer?

A
  • basal cell
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15
Q

What causes basal cell skin cancer?

A
  • increased sun exposure
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16
Q

Where does basal cell skin cancer most commonly present?

A
  • sun exposed skin
17
Q

What are the warning signs of basal cell skin cancer?

A
  • sore that does not heal in 1-2mo
  • pearly, papules
  • scar-like
  • red, scaly crusted patch
  • may bleed
18
Q

What are the treatment options for basal cell skin cancer?

A
  • cryotherapy
  • topical chemotherapy
  • ED&C
  • surgical excision
  • MOHS surgery
19
Q

What is the second most common skin cancer?

A
  • squamous cell skin cancer
20
Q

What is a complication of untreated squamous cell skin cancer?

A
  • metastasis
21
Q

What causes squamous cell skin cancer?

A
  • sun exposure
22
Q

What patient population are at a higher risk to develop squamous cell skin cancer?

A
  • immune suppresed
23
Q

What are the warning signs of squamous cell skin cancer?

A
  • *thick, rough, wart-like
  • wart like sore
  • may bleed
  • *irregular rough red patch that persists
24
Q

What is the difference in the appearance of basal v. squamous cell skin cancer?

A
  • squamous is larger and crustier
25
Q

What is the most serious skin cancer?

A
  • malignant melanoma
26
Q

What are the ABCD’s of melanoma?

A
  • Asymmetry
  • Borders
  • Color
  • Diameter change
  • Evolving
  • Failure to respond to tx
27
Q

What are the 4 types of melanomas?

A
  • superficial spreading
  • lentigo maligna
  • acral lentiginous
  • nodular
28
Q

Which of the 4 types of melanomas is not like the others and why?

A
  • nodular
  • starts invasive, not in situ
  • most aggressive
29
Q

What is the prognosis for malignant melanoma?

A
  • depends on depth and stage
30
Q

How is malignant melanoma treated?

A
  • surgical excision
31
Q

How large must the exision margin be for malignant melanoma?

A
  • up to 2cm
32
Q

What is kaposi sarcoma?

A
  • neoplasm that manifests with multiple vascular nodules
33
Q

Where does kaposi sarcoma affect?

A
  • skin
  • mucous membranes
  • internal organs
34
Q

Describe the evolution of kaposi sarcoma

A
  • initially discrete red/purple patches
  • become elevated
  • evolve into nodules and plaques
35
Q

What must be present in kaposi sarcoma?

A
  • human herpes virus type 8 (HHV-8)
36
Q

What diagnosis is associated with AIDS

A
  • kaposi sarcoma
37
Q

How is kaposi scarcoma diagnosed?

A
  • CBC and CMP
  • HIV testing
  • CT scan/ chest XR
  • skin and lymph node biopsy
38
Q

What is the treatment for kaposi sarcoma?

A
  • radiation/chemotherapy

- excision of solitary lesion

39
Q

What are complications of kaposi sarcoma?

A
  • secondary malignancy and infection

Clin Med I - Dermatology (10 decks)

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