pigmented lesion Flashcards

(52 cards)

1
Q

intravascular pigmentation

A

blanches

hemangioma, vascular malformation, varix, kaposis sarcoma

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2
Q

extravascular pigmentation

A

does not blanch

petichiae, ecchymosis, hematoma

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3
Q

hemagioma

A

not present at birth, rapid onset
tumor of infancy
gradual involution (go away)

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4
Q

venus malformation

A

present at birth and persist through life

anomalies of blood vessels

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5
Q

hemangioma tx

A

will regress on their own or use systemic corticosteroids

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6
Q

venus malformation tx

A

small - no tx
large - sclerosing agent
biopsy is contraindicated

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7
Q

sturge-weber syndrome

A

non hereditary developmental condition

leptomeningeal angiomas may cause convulsive disorder or retardation

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8
Q

tx of sturge-weber

A

may require neurosurgical tx

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9
Q

varix

A

abnormally dilated and tortuous veins usually in older adults
loss of CT tone

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10
Q

common location of varix

A

sublingual varix

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11
Q

kaposi’s sarcoma

A

caused by HHV8
associated with HIV
painless blue-purple macules/plaques

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12
Q

sarcoma

A

originates in mesenchymal tissue

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13
Q

carcinoma

A

originates in epithelial tissue

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14
Q

petechiae

A

very small hemorrhages into skin, mucous, serosa

doesn’t blanche

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15
Q

ecchymosis

A

blood accumulation greater than 2cm

doesn’t blanche

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16
Q

hematoma

A

accumulation produces a mass

doesn’t blanche

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17
Q

ephelis

A

freckle
increased melanin production
more pronounced after sun exposure

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18
Q

oral melanotic macule

A

increased melanin production
flat
not related to sun exposure
not premalignant

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19
Q

melanoacanthoma is most common in his race

A

african americans

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20
Q

management of melanoacanthoma

A

biopsy to rule out melanoma

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21
Q

nevus

A

proliferation of melanocytes

22
Q

t/f oral nevus is considered premalignant and should be completely excised

23
Q

t/f melanoma can always be distinguished

24
Q

melanoma

A

malignant neoplasm of melanocytes due to acute sun exposure

25
top 3 most common skin cancers
1. basal cell 2. squamous cell 3. melanoma
26
what are we most worried about, horizontal or vertical growth?
vertical
27
4 clinicopathologic types of melanoma
1. superficial spreading melanoma 2. nodular melanoma 3. lentigo maligna melanoma 4. acral lentiginous melanoma
28
most common type of melanoma
superficial spreading melanoma can occur in young adults
29
nodular melanoma
deeply invaseive, rapid growth | dome shaped annd dark pigmented
30
lentigo maligna melanoma
most common on face of older pts arise in solar lentigo slowest growthing
31
acral lentiginous melanoma
melanomas of oral mucosa
32
t/f. the most important prognostic indicator is the histologic depth of invasion
true.
33
what is BANS and what does it stand for
``` areas of poor prognosis interscapular area of Back post upper Arm post and lat Neck Scalp ```
34
what does oral melanoma look like in the begining
brown black macule
35
t/f benign and malignant melanocytic lesions are all clinically indistiguishable
true.
36
5 yr survival rate of oral melanoma
13-22%
37
peutz jeghers syndrome
freckle-like genetic mutation
38
GI features of peutz jeghers
intestinal polyps (not premalignant), intestinal obstruction, maligancy 33% by age 60
39
oral lesion seen in 90% of puetz jeghers pts
vermillion zone, labial/buccal mucosa, and tongue | 1-4mm blue/gray macules
40
addisons
destruction of the adrenal cortex or pit gland (increased ACTH)
41
is smoking-associated melanosis premalignant
no
42
how does smoking cause pigmentation of the oral soft tissues
stimulation of melanocyte activity by tobacco
43
melasma
aka, the mask of pregnancy, is irregular, symmetric, brown macules on sun exposed face and lips
44
the use of ____ may also cause melasma
oral contraceptives
45
drugs that can cause pigmentation
AZT, tetracycline, minocyclines
46
neurofibromatosis
syndrome including axillary freckling, neurofibromas, lisch nodules (eye pigmentation), cafe au lait spots (6 at least)
47
heavy metals that can pigment epithelium
arsenic, bismuth, platinum, lead, silver, mercury
48
gingival line associated with lead and bismuth
Burtons line
49
chronic silver intoxication
argyria
50
amalgam tattoo appearance
macular and gray with soft moderately defined lines
51
sturge-weber syndrome signature color
port wine
52
t/f. melanoacanthoma often demonstrates slow growth
false. rapid