Page 322 - Feline diagnostic imaging

328 20 Thorax

(a) (b)

(c)

(e)

(d)

Figure 20.5 Lateral (a) and ventrodorsal (b) thoracic images of a 6-year-old boxer presenting for hemoptysis. A large soft tissue mass
is noted in the left caudal lung lobe. Ultrasound-guided fine needle aspiration was performed, but only blood was aspirated. CT was
performed to better assess the mass. (c) Transverse CT image through the caudal thorax. A rim-enhancing mass is present in the left
caudal lung lobe. Atelectasis is noted in the most dorsal aspect of the lobe. (d) Transverse CT image (patient now in lateral
recumbency) taken during CT-guided aspiration. Barium strips are noted end-on on the left lateral thoracic wall. A needle is entering
the left chest wall between the third and fourth barium strip. (e) Transverse CT image (patient in lateral recumbency) taken for final
needle placement. The needle is now in the mass. Aspiration cytology showed only marked neutrophilic inflammation. Neoplasia
cannot be ruled out, however, as the aspiration may have been in an area of inflammation, and missed neoplastic tissue.