MCQ FOR FRCR AND PG EXAM ---------BRONCHOGENIC CARCINOMA

MCQ  FOR FRCR AND PG EXAM ---------BRONCHOGENIC CARCINOMA

170.All are true regarding bronchial carcinoma except

a. Pancoast's tumours may resemble apical pleural thickening

b. Absolutely spherical, sharply defined, smooth-edged nodules due to carcinoma of the lung are rare

c. A peripheral line shadow or ‘tail’ may  occurs in both benign and malignant lesions

d. Adenocarcinoma is the most likely cell type to show cavitation

e. Calcification within bronchogenic carcinomas is  identified on CT in 6–10% of cases

171.All are true regarding bronchogenic tumour except

a.cavity with irregular wall and usually =/>8mm thick

b. Air bronchograms and  pseudocavitation may be particularly seen in squamous cell carcinoma

c. may be associated with bronchocele

d. nodule with Ground-glass attenuation is associated with a greater risk of malignancy

e. bronchiolo-alveolar carcinoma may present as a purely ground-glass opacity.

172. Features suggesting  that pneumonia may be secondary to an obstructing neoplasm are  all except

a. the Golden S sign

b.  unchanged persistence for longer than 2–3 weeks and recurrence  in the same lobe

c. irregular stenosis in a mainstem or lobar bronchus

d. rarely associated with  hilar adenopathy

e. Mucus-filled dilated bronchi visible within collapsed lobes