Changes

==History & Clincial signs==

==History & Clincial signs==

Eosinophillic lung diseases are seen in young and older dogs. It is rare in the Cat.

Eosinophillic lung diseases are seen in young and older dogs. It is rare in the Cat.

<br> Affected dogs usually present because of slowly progressive respiratory signs such as a cough, increased respiratory effort and exercise intolerance, wheezing and occasionally haemoptysis may be seen.The cough may be mild or severe, productive or nonproductive, and progressive or nonprogressive. Systemic signs are rarely present but may include anorecia and weight loss. There may be a history of a recurring cough which is unresponsive to antibiotics but often responsive to corticosteroid therapy. The clinical signs may be seasonal in appearance.

<br> Affected dogs usually present because of slowly progressive respiratory signs such as a cough, increased respiratory effort and exercise intolerance, wheezing and occasionally haemoptysis may be seen.The cough may be mild or severe, productive or nonproductive, and progressive or nonprogressive. Systemic signs are rarely present but may include anorexia and weight loss. There may be a history of a recurring cough which is unresponsive to antibiotics but often responsive to corticosteroid therapy. The clinical signs may be seasonal in appearance.

<br> Severely affected animals may exhibit moderate to severe dyspnea and cyanosis at rest.

<br> Severely affected animals may exhibit moderate to severe dyspnea and cyanosis at rest.

==Diagnosis==

==Diagnosis==

Physical examination is largely normal. Thoracic auscultation may reveal crackles or expiratory wheezes.  

Physical examination is largely normal. Thoracic auscultation may reveal crackles or expiratory wheezes.  

===Radiography===

===Radiography===

The most comon radiographic finding is a diffuse ''Interstitial lung pattern'', a bronchial and/or alveolar pattern may also be visible. Eosinophilic Pulmonary Granulmatosis results in the formation of nodules, usually with indistinct borders. Consolidation of lung lobs and a hilar lymphadenopathy may also be seen.  

The most common radiographic finding is a diffuse ''Interstitial lung pattern'', a bronchial and/or alveolar pattern may also be visible. Eosinophilic Pulmonary Granulmatosis results in the formation of nodules, usually with indistinct borders. Consolidation of lung lobs and a hilar lymphadenopathy may also be seen.  

==Bronchoscopy==

==Bronchoscopy==

Bronchoscopy may reveal increased amounts of mucous in the airways which may have a greenish appearannce

Bronchoscopy may reveal increased amounts of mucous in the airways which may have a greenish appearance.  Tracheobronchial washes may show evidence of eosinophillic inflammation. Pulmonary specimens shouldbe carefully examined for the presence of infectious agents and for features od malignancy which may represent potential antigenic sources.

[[Category:Allergic Respiratory Diseases]][[Category:To_Do_-_KatieB]]

[[Category:Allergic Respiratory Diseases]][[Category:To_Do_-_KatieB]]