Presentation
Presented with anorexia, weakness, lethargy, and dry cough.
Patient Data
There is a diffuse nodular pulmonary pattern with an additional bronchial component, most pronounced in the right hemithorax. The cardiovascular structures are unremarkable. There is increase in soft tissue density surrounding the hilus and slightly ventral deviation of the carina on the right lateral projection. This may indicate hilar lymphadenopathy. There is mineralization within the area of the gall bladder. The stomach is distended with gas.
Case Discussion
On necropsy examination, the lungs were affected by anaplastic carcinoma. This type of diffuse pulmonary neoplasia can be primary lung origin or metastatic disease. The nodular component of the interstitial pattern makes neoplasia the top differential diagnosis. Tumors that can cause this pattern are primary pulmonary carcinoma, metastatic carcinoma, and hemangiosarcoma.
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