Oncology Flashcards

1
Q

What is the translocation seen in burkitt’s lymphoma

A

C-myc protooncogene transformation. EBV plays a major role

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2
Q

Where is the RET proto onco gene mutation seen?

A

MEN 2 syndrome

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3
Q

Where is the RAR alpha gene mutation seen

A

APML

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4
Q

Which part of the cell cycle does F fluorouracil work on?

A

S cell. most chemotherapeutic agents are ineffective in G0 –> explains why rapidly growing organs eg GI tract often have significant chemotherapeutic side effects

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5
Q

Which cancer is often associated with TLS after chemotherapy

A

lymphoma - especially wth high tumour burden

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6
Q

What biochemical abnormalities are expected to be seen in TLS

A

hyperphosphataemia, hypocalcalcaemia and hyperuricaemia (very acidic urine)

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7
Q

What are the most common cancers to metastatise to bone

A

bone, prostate, breast, MM, and NHL

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8
Q

What conditions could make people suitable for resection of liver tumour over liver transplantation in HCC

A

no portal hypertension, small tumours (<3 under 5cm), still drinking alcohol,

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9
Q

what is standard chemotherapy for SCLC

A

etoposide and cisplatin. vinorelbine and cisplatin are used in NSCLC

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10
Q

what is the size limit of a microprolactinoma

A

<10mms

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11
Q

what carcinomas produce ACTH?

A

adrenal adenomas, medullary thyroid carcinomas and pancreatic islet cell carcinomas

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12
Q

what is triad of raised beta hcg, chest lesion and testicular lump suggestive of

A

testicular seminoma

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13
Q

What disease does LEMS present with

A

SCLC

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14
Q

what does gastro intestinal stromal tumours respond particularly well to

A

TK inhibitors

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15
Q

what is one of the most common sequalae of anaplastic thyroid Ca

A

airway obstruction

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16
Q

what is the mechanism of methotrexate

A

dihydrofolate reductase inhibitor

17
Q

What is the mechanism of action of imatibin

A

tyrosine kinase inhibitor

18
Q

what is the commonest lung cancer type in non smokers

A

adenocarcinoma

19
Q

what cancer can cryoglobuliaemia present with?

A

lymphoma (tested by incubated at 4 degrees)

20
Q

lung cancer most likely to cause hypercalcaemia

A

squamous (pthrh secreting)

21
Q

what is moa of cisplatin

A

leads to cross linking of dna to form adducts

22
Q

moa doxorubicin

A

topoisomerase inhibitor

23
Q

cancers in nfm2

A

meningiomas, gliomas and bilareral acoustic neuromas

24
Q

what cell factor is implicated in gist

A

stem cell factor (c-kit)

25
Q

which one shows greater penetrance BRCA1 or BRCA2 /

A

brca2

26
Q

how does alcohol cause hypoglycaemia

A

increased insulin secretion

27
Q

what tumour marker is raised in testicular teratomas

A

alpha fetoprotien

28
Q

what tumour marker is raised in seminomas and choriocarcinomas

A

b HCG

29
Q

AFP what is it used for

A

non-seminomatous testicular cancer. HCC , teratoma

30
Q

what is HCG used to measure

A

seminomas, NSGCT (testicular cancer)

31
Q

what is LDH used to measure in seminomatous testicular cancer

A

high tumour burden

32
Q

CA 125?

A

ovarian cancer

33
Q

Cd20 marker for

A

lymphoma

34
Q
A