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other radiographic abnormalities. Sternal lymphadenopathy was identified in 6 of 50 (12%) dogs, pleural effusion in 4 (8%) dogs, tracheobronchial lymphadenopathy in 3 (6%) dogs, pneumomediastinum in 2 (4%) dogs, cranial mediastinal lymphadenopathy in 1

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in Journal of the American Veterinary Medical Association

more centrally located tumors. Two subsequent studies have established more specific prognostic factors. Oglivie et al 2 reported the importance of tracheobronchial lymphadenopathy, pulmonary metastasis, and evaluation of tumor size in determining

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in Journal of the American Veterinary Medical Association

, CT can be used to identify abnormal tracheobronchial lymphadenopathy, 21,28,29 which was not addressed specifically in the present study. It is unknown whether there is a true benefit of earlier recognition of pulmonary nodules via CT in terms of

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in Journal of the American Veterinary Medical Association

sensitivity and specificity of preoperative CT for the evaluation of regional lymph node metastasis in dogs with PPN. A retrospective case series 33 of 14 dogs with PPN comparing CT evidence of tracheobronchial lymphadenopathy with histopathologic

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in Journal of the American Veterinary Medical Association

accuracy of diagnostic imaging in detecting TBLN metastasis is not known. In a study of 14 dogs with primary lung tumors, 6 of which had histologic evidence of TBLN metastasis, radiography did not reveal tracheobronchial lymphadenopathy in any of the dogs

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in Journal of the American Veterinary Medical Association

WBCs on examination of the urine sediment. Thoracic radiography revealed a diffuse bronchial and interstitial pattern ( Figure 1 ). Tracheobronchial lymphadenopathy was not identified. Over the subsequent several hours, the dog's respiratory rate

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in Journal of the American Veterinary Medical Association

.3 × 10 3 eosinophils/μL). Three-view thoracic radiography revealed a well-defined, round (≤ 6-cm-diameter), soft tissue mass in the left caudal lung field, an interstitial pattern in the same lung field, and marked tracheobronchial lymphadenopathy

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in Journal of the American Veterinary Medical Association

(1.6%) dogs had a normal pulmonary radiographic pattern (both dogs had only tracheobronchial lymphadenopathy). Overall, there were 66 dogs with nondiffuse disease, 51 dogs with diffuse interstitial nodule patterns, 6 dogs with unstructured

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in Journal of the American Veterinary Medical Association

diagnosis. Radiographic findings included tracheobronchial lymphadenopathy (9/21), an alveolar pulmonary pattern (6/21), a pulmonary mass (2/21), a bronchointerstitial pulmonary pattern (3/21), and pleural effusion (1/21). In 3 dogs, thoracic radiographs

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in Journal of the American Veterinary Medical Association

, thymoma, or tracheobronchial lymphadenopathy) that mimicked the radiographic features of HBMs was included as a study control. Third, adherence to a consistent standardized protocol for TTE measurements of HBMs was not possible, and only 2-D measurements

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in Journal of the American Veterinary Medical Association