Page 262 - Feline diagnostic imaging
P. 262

266  14  Feline Pulmonary Disease

            (a)                                                   (b)




























            Figure 14.19  Lateral (a) and ventrodorsal (b) images of a 2-year-old cat currently under treatment for mediastinal lymphoma. On recheck
            examination, there are multiple nodular opacities with a focal alveolar opacity in the left caudal segment of the left cranial lung lobe. Fine
            needle aspiration of a lung nodule was consistent with lymphoma. Source: Images courtesy of Dr Merrilee Holland, Auburn University.

































            Figure 14.20  Left lateral thoracic image from a 9-year-old cat presented for anorexia and lethargy. Multiple small, poorly defined
            soft tissue nodules are noted diffusely. Metastatic carcinoma was diagnosed at necropsy.


            lucencies (Figures 14.24 and 14.25). Small pulmonary nod-  14.4.1  Bronchiectasis
            ules  may  be  secondary  to  mucus  plugs  or  possibly
              granuloma  formation.  Mechanical  failure  secondary  to   Bronchiectasis is defined as abnormal, irreversibly dilated
            chronic  respiratory  distress/coughing  can  result  in  non-  airways caused by chronic inflammation and/or obstruc-
            traumatic rib fractures, usually the midportion of ribs 9–11   tion, with damage to the bronchial walls. Clearing mecha-
            (Figure 14.26) [32,33].                           nisms  are  damaged,  predisposing  affected  patients  to
   257   258   259   260   261   262   263   264   265   266   267