FilaroidesFilaroides hirthihirthi

NOT TO BE REPRODUCED

DirofilariasisDirofilariasis

Affected species: dog, cat (infrequent)Affected species: dog, cat (infrequent)DiseaseDisease

Cardiac: adult wormsCardiac: adult wormsPulmonary artery: endarteritis, intimal proliferationPulmonary artery: endarteritis, intimal proliferationLung:Lung:

Larvae Larvae –– granulomasgranulomas, interstitial , interstitial eosinophiliceosinophilic pneumoniapneumoniaAdults Adults –– congestive heart failure, interstitial pneumoniacongestive heart failure, interstitial pneumoniaDead adults Dead adults -- embolism/infarctsembolism/infarcts

Renal: immune complex glomerulonephritisRenal: immune complex glomerulonephritis

NOT TO BE REPRODUCED

DirofilariasisDirofilariasis

NOT TO BE REPRODUCED

ParagonimusParagonimus kellicottikellicotti

Fluke of dogs and catsFluke of dogs and catsMultifocalMultifocal cysts in lungcysts in lungCan occasionally rupture thru pleura and result Can occasionally rupture thru pleura and result in in pneumothoraxpneumothorax

NOT TO BE REPRODUCED

Primary pulmonary Primary pulmonary neoplasianeoplasiaRather rare in domestic animalsRather rare in domestic animalsMost epithelialMost epithelialGenerally solitaryGenerally solitaryCarcinomas most commonCarcinomas most commonMesenchymal tumorsMesenchymal tumorsLymphomatoid granulomatosisLymphomatoid granulomatosis

NeoplasiaNeoplasia

NOT TO BE REPRODUCED

Pulmonary Pulmonary NeoplasiaNeoplasia——DogDog

NOT TO BE REPRODUCED

Primary Epithelial TumorsPrimary Epithelial Tumors

Benign are rareBenign are rarePapillary adenomaPapillary adenomaBroncholarBroncholar--alveolar adenomaalveolar adenoma

MalignantMalignantAdenocarcinomaAdenocarcinoma, papillary or , papillary or acinaracinarSquamousSquamous cell carcinomacell carcinomaAdenosquamousAdenosquamous carcinomacarcinomaBronchiolarBronchiolar--alveolar carcinomaalveolar carcinomaSmall and large cell carcinomaSmall and large cell carcinomaAnaplasticAnaplastic carcinomacarcinoma

Cats Cats –– metastasis to digitmetastasis to digit

NOT TO BE REPRODUCED

BronchogenicBronchogenic CarcinomaCarcinoma——DogDog

NOT TO BE REPRODUCED

BronchogenicBronchogenic CarcinomaCarcinoma——CatCat

NOT TO BE REPRODUCED

BronchiolarBronchiolar--Alveolar CarcinomaAlveolar Carcinoma——CatCat

NOT TO BE REPRODUCED