Diagnostic Procedures in Respiratory Disease

Question 1

Section thickness in normal CT

Answer 1

7 to 10 mm

Question 2

Section thickness in HRCT

Answer 2

1 to 2 mm

Question 3

Isotopes used in V/Q scanning

Answer 3

albumin macroaggregates tagged with technitium

radiolabeled xenon gas

Question 4

Role of nuclear medicine techniques in pulmonology

Answer 4

pulmonary embolism

lung resection

Question 5

PET false negatives in lung tumors

Answer 5

carcinoid
bronchioloalveolar cell carcinomas
lesions< 1cm

Question 6

False positive lung lesions in PET

Answer 6

Pneumonia

granulomatous disease

Question 7

Features consistent with sputum from lower respiratory passages

Answer 7

alveolar macrophages

squamous cells indicate contamination

Question 8

For diagnosis of which pathogen induction is better than spontaneous expectoration?

Answer 8

PcP

Question 9

Advantages of rigid bronchoscope?

Answer 9

Large suction channel

Patient can be ventilated through the bronchoscope channel

Question 10

Mediastinoscopy can be used to sample

Answer 10

pretracheal and paratracheal nodes

Question 11

Mediastinotomy can be used to sample

Answer 11

aortapulmonary nodes

Question 12

EUS-FNA

Answer 12

performed through esophagus