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The left upper lobe shows patchy ground-glass opacities with numerous tiny and randomly distributed pulmonary nodules. Scattered tree in bud opacities and mild bronchiectatic changes also noticed. There is a small cavitary lesion with an avidly enhancing solid component seen in the post-contrast study indicating a tuberculous cavity and a related aneurysm of the subsegmental pulmonary artery (Rasmussen aneurysm).
It is important to put in mind the possibility of Rasmussen aneurysm when tuberculous cavity shows solid components even in a small cavity like in this case. An additional post-contrast study was requested that revealed this significant finding.