11 year old male neutered German Shepherd with 5 days of lethargy and 1 day of vomiting.
On abdominal radiographs, there is a large mid abdominal mass which is displacing small intestine to the periphery. The pylorus of the stomach is displaced slightly dorsally, and the fundus is caudally displaced on the v/d projection. The proximal extremity of the spleen is not visible. Differential diagnoses include enlarged spleen, pedunculated liver mass, mesenteric lymphadenopathy, or less likely a retained testicle. The mass may be neoplastic, splenic torsion, granuloma, or hematoma. Diagnosis: splenic torsion.
Adult Oldenburg/QH cross with lethargy and weight loss.
On lateral projections of the thorax, there is a severe, diffuse nodular broncho-interstitial pattern affecting all lung lobes. The nodules appear to be airway-associated. The cardiovascular structures appear normal. Differentials include inflammatory (eosinophilic bronchopneumanopathy, pulmonary nodular fibrosis, sarcoidosis, corynebacterium, hematogenous pneumonia), or metastatic neoplasia. Diagnosis: lymphoplasmacytic peribronchial inflammation with fibrosis. = pulmonary nodular fibrosis. This is an emerging disease that may be associated with equine herpes virus type 5.
Wong DM, Belgrave RL, Williams KJ, et al. Multinodular pulmonary fibrosis in five horses. Journal of the American Veterinary Medical Association 2008;232:898-905.
4 year old mustang who stopped eating 4 days ago with mild colic.
Abdominal radiographs show a collection of radiopaque material in the cranioventral abdomen. This appears to be sand within the large colon. There are multiple gas-fluid interfaces in the dorsal abdomen. There is also mottled gas and soft tissue opacity dorsal to the large colon that is likely enlarged stomach. The mottling is suggestive of emphysematous gas, possibly in the gastric wall. Diagnosis: gastric impaction.
1 year old female spayed domestic short hair cat who is smaller than littermates.
A poorly-positioned whole body, lateral radiograph is available for review. The patient was fractious. There are multiple open physes with poor mineralization of the epiphyses of the long bones. The vertebral endplates are shortened and malformed. The liver is enlarged and rounded. These changes are indicative of a congenital, develompental or metabolic disease resulting in underdevelopment of the skeleton and epiphyseal dysplasia, with possible involvement of the abdominal organs. Differentials include mucopolysaccharoidosis, congenital hypothyroidism, pituitary dwarfism. Diagnosis: congenital hypothyroidism.
8 year old dog with difficulty breathing, presented for possible lung lobe torsion.
On thoracic radiographs, there is an interstitial to alveolar pattern in the left cranial lung lobe. There are faint air bronchograms visible with a lobar sign. There are several soft tissue opacity nodules in the right caudal lung lobe. Differential diagnoses include infarction, hemorrhage (hemangiosarcoma), inhaled foreign body, neoplasia. Recommend CT for further evaluation. Diagnosis: metastatic hemangiosarcoma with hemorrhage.
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