Lung Cancer Flashcards

1
Q

TTF-1 (thyroid transcription factor) is expressed most characteristically in what type of carcinoma?

A

small cell and adenocarcinoma

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2
Q

P63 is expressed in what type of carcinoma?

A

squamous

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3
Q

What type of lung cancer is the worst?

A

small cell

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4
Q

What may often show K-ras mutation

A

lung adenocarcinomas

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5
Q

What is a tyrosine kinase inhibitor which shows activity in some NSCLC patients?

A

gefitinib

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6
Q

Which lung cancer is most common?

A

squamous

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7
Q

Which lung cancer is most deadly?

A

small cell

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8
Q

Where is small cell located?

A

across the hilium/central

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9
Q

Where are adenocarcinomas of the lung?

A

peripheral

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10
Q

Why do adenocarcinomas present late?

A

as they are peripheral, they are less likely to cause obstruction symptoms

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11
Q

Where are large cell lung cancers located?

A

centrally

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12
Q

Where are squamous cell lung cancers located?

A

centrally/ across large bronchi

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13
Q

How is lung cancer diagnosed?

A

bronchoscopy with biospy

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14
Q

Which type of lung cancer do smokers get?

A

squamous

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15
Q

Which type of lung cancer is known for hypercalcaemia?

A

squamous

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16
Q

What type of border of a cavity on a CT scan would suggest cancer?

A

jagged

17
Q

What type of cancer causes signet rings?

A

adenocarcinoma

18
Q

Which type of lung cancer is least likely to be related to smoking?

A

adenocarcinoma

19
Q

Which type of lung cancer has early metastases?

A

small cell

20
Q

Which type of lung cancer is gland forming on histology?

A

adenocarcinoma

21
Q

Which has a poorer prognosis, large cell or squamous carcinoma?

A

large cell

22
Q

Which type of lung cancer is very rare and may appear as consolidation on a CXR?

A

bronchoalveolar

23
Q

Which type of lung cancer is extremely responsive to chemotherapy?

A

small cell

24
Q

What type of cells do small cell lung cancers arise from?

A

endocrine (Kulchitsky) cells