Fig. 4
From: Active pulmonary tuberculosis: something old, something new, something borrowed, something blue
A 35-year-old male presented with a 4-week history of productive cough, anorexia and weight loss. Initial CT demonstrates tracheal and left main bronchus wall thickening with irregularity suggestive of ulcerations (lung window, coronal plane—a, arrow). There is also a thick-walled cavity with surrounding nodularity (arrowheads). The appearances significantly improved following TB treatment as demonstrated on a follow-up CT performed two months later (lung window, coronal plane—b)