Melanoma Flashcards

1
Q

First line management of acral melanoma

A

Checkpoint inhibitors

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2
Q

Drug approved for uveal melanoma and 2) HLA

A

HLA-A*02:01-positive
Tebentafusp

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3
Q

Size threshold for SNLB in melanoma

A

Greater than 0.8 mm

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4
Q

Dabrafenib tremetinib SE to know

A

Pyrexia

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5
Q

encobimetinib SE to know

A

ocular toxicity

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6
Q

Gene mutation associated with hereditary melanoma (familial atypical mole syndrome)

A

CDKN2A
p16

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7
Q

FAM syndrome presentation

A

A lot of atypical appearing moles

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8
Q

Other genetic syndromes associated with melanoma

A

BRCA2
pTEN (Cowden)
BAP1

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9
Q

Stage III melanoma definition

A

nodal mets OR *in transit metastases

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10
Q

Other indications for sentinel lymph node biopsy

A
  • regression of tumor below breslow depth
  • if base of tumor broadly transected on specimen (indicating tumor much thicker than actual read on path)
  • presence of atypical features (melanocytic tumor of unknown potential)
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11
Q

TVEC mechanism + role

A
  • oncolytic virus
  • very limited role, possibly local control in elderly patient ineligible for immunotherapy
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12
Q

margins required in melanoma for wide local excision

A

IF <2mm, 1 cm margin
IF >2mm, 2 cm margin
*high yield

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13
Q

When adjuvant immunotherapy is indicated in stage II melanoma

A

high risk, so stage IIB and IIC

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14
Q

What are the BRAF/MEK combinations

A

dabrafenib/tremetinib
vemurafenib/cobimetinib
encorafenib/benimetinib

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15
Q

BRAF targeted therapy class effects

A
  • QT prolongation
  • increased risk of cutaneous squamous
  • Keratoacanthomas
  • LFT elevation
  • photosensitivity
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16
Q

MEK targeted therapy class effects

A
  • cardiotoxicity
  • acne
  • ocular toxicity
17
Q

BRAF/MEK combination SE to know

A

pyrexia

18
Q

uveal melanoma mutations

A

GNAC
GNA1

19
Q

uveal melanoma associated hereditary syndrome

A

BAP1

20
Q

mucosal and acral melanoma mutations

A

KIT

21
Q

mucosal and acral melanoma drug

A

IF KIT mutant, imatinib

22
Q

First line for metastatic merkel cell

A

immunotherapy

23
Q

Role of T-VEC in melanoma

A
  • unresectable cutaneous, subcuteanous, or nodal disease (reduces pain, improves QOL)
24
Q

uveal melanoma surveillance

A

MRI abdomen (proclivity to met to liver)

25
Q

preferred first line for cutaneous SCC in transplant patient

A

carbo/taxol

26
Q

Stage III melanoma surveillance

A

CT chest/abdomen/pelvis and neck if head/neck primary q 3 months for first 3 years, then q months for up to 5 years
**Given positive sentinel lymph node biopsy, regional nodal US q 3 months (US surveillance of lymph node basin) (this was shown to be comparable to

27
Q

Important caveat to Stage III melanoma management

A
  • IF less than 1 mm tumor burden in sentinel lymph node, then no adjuvant (proceed to US of nodal basin). They have very good outcomes and weren’t included in trials
28
Q

Most reported and least tolerated adverse effect of hedgehog inhibitors

A

muscle cramps or spasms

29
Q

What is the clinical significance of melanoma excised from subcutaneous tissue

A
  • this is in transit disease that needs adjuvant immunotherapy
30
Q

Management of retinal detachment from MEK inhibitors

A
  • rechallenge (doesn’t cause irreversible vision loss serious eye damage)
31
Q

Gene mutation more commonly found in mucosal melanoma

A

KIT

32
Q

Gene mutation more commonly found in acra melanoma

A

KIT

33
Q

avelumab premedications

A

acetaminophen + antihistamine
(high rate of severe infusion reactions, only checkpoint inhibitor that requires premedication)