MCQS ---FRCR AND PG---- CHEST MODULE

30. Sign almost invariably present with significant tension pneumothorax is

a.ipsilateral mediatinal shift

b.ipsilateral diaphragmatic depression

c. contralateral  diaphragmatic depression

d. Double diaphragm sign

e. ipsilateral mediatinal shift

33.All are true regarding fibrothorax /diffuse pleural thickening

a. a smooth uninterrupted pleural density that extends over at least one-quarter of the chest wall

b. extends more than 8 cm in the craniocaudal direction, 5 cm laterally and  a thickness of more than 3 mm on CT scan

c. Extensive calcification favours previous tuberculosis or empyema

d. Asbestos exposure-related fibrothorax is usually bilateral and heavily calcified

e. mesothelioma, metastatic disease (particularly adenocarcinoma), lymphoma and leukaemia may cause fibrothorax

ANS BELOW----

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ANS

30.Moderate or gross mediastinal shift  should be taken as 

indicating tension, particularly if the ipsilateral hemidiaphragm is

 depressed. Depreesed ipsilateral hemidiaphragm  is the more

 reliable and is almost invariably present with significant tension 

pneumothorax. 

33.Asbestos exposure-related fibrothorax is less common than

 pleural plaques and is usually the sequel of a benign exudative

 effusion. Asbestos exposure-related fibrothorax is usually 

bilateral and rarely calcified.