58- Resp Tract Neoplasia & Misc Cond

common nasal neoplasia site of dogs

nasal passages/sinus

common nasal neoplasia site of cats

nose tip and nasal passages

common nasal neoplasia site of horses

maxillary sinus and nasal passages

t or f: majority of nasal neoplasms are benign

f- malignant

most common round cell tumor in cats

lymphoma

prognoses of nasal neoplasms

poor and short survival due to invasive nature

group of nasal carinomas of sheep/goats that arise from epithelial surface and glands of ethmoidal conchae

enzootic nasal ethmoidal tumor

do enzootic nasal tumors metastasize

no but they are invasive

most common epithelial tumor

carcinoma

most common mesenchymal tumor

chondrosarcoma

name the 3 primary benign neoplasms

papilloma, adenoma, bronchioalveolar adenoma

most common primary pulmonary neoplasm? name the cell they arise from and species

pulmonary carcinoma come from club cells or 2 type pneumocytes and are common in older cats/dogs

super deadly virus dz in adult sheep spread by nasal discharge and intensive husbandry facilitating horizontal transmission

small ruminant pulmonary adenocarcinoma

sheep infected with Jaagsiekte sheep retrovirus, what does the gross lesion look like

grey firm nodules that become confluent over time (small rum pulm adenocarcinoma)

multiple variably sized masses throughout multiple lung lobes with common metastic tumors including mammary, thyroid, uterine. they are also malignant due to being metastatic.

secondary metastatic neoplasms

gross lesion of a primary pulmonary neoplasm

white/grey, soft or firm nodular mass, variable size

calf presents with multiple discrete nodules with proliferative growths on the pleural surface with thoracic effusion, dz?

mesothelioma

anomaly: choanal atresia

lack of communication b/t nasal cavity and pharynx

anomaly: cheiloschisis

cleft upper lip

anomaly: palatoschisis

cleft palate

common sequelae to cleft palate

aspiration

horse presents with expansive mass causing deformation of surrounding bone but its not a neoplasm/infection

nasal//paranasal sinus cysts

cat with chronic rhinitis presents with a non neoplastic mass that resembles a neoplasm

nasal polyp/cyst

gross lesion: firm pedunculated nodules of various sizes protruding from nasal mucosa into nasal passages or nasopharynx

nasal polyp

fluid filled structure lined by a layer of epithelial cells

nasal cysts

describe surface of nasal polyp/cyst

can be smooth, ulcerated, secondarily infected, hemorrhagic

older horse presents with persistent and progressive unilateral nasal bleeding

progressive ethmoid hematoma

single soft tumor like pedunculated expansive dark red mass within ethmoidal conchae in older horse

progressive ethmoid hematoma

laryngeal edema is a common feature of

acute inflammation

what can swelling of epiglottis and vocal cords lead to

laryngeal orifice obstruction resulting in asphyxiation

pig with laryngeal edema

edema dz

horse with laryngeal edema

purpura hemorrhagica

cattle with laryngeal edema

acute interstitial pneumonia ca

cat with laryngeal edema

systemic anaphylaxis

laryngeal edema is secondary in all species due to….

trauma, improper ETubing, inhalation of irritant gasses, local inflammaation

lesion: thickened and swollen mucosa of epiglottis and vocal cords that protrudes dorsally onto the epiglottic orifice and has a gelatinous appearance

laryngeal edema

most common resp nematode in dogs thats either asyntomatic / chronic cough

oslerus osleri

red nodules that protrude into the lumen at the tracheal bifurcation in dogs

oslerus osleri

horse with large mass presenting with difficulty breathing and reduced athletic performance

nasal amyloidosis

horse with large firm nodules with waxy texture that developed on alar folds on floor of nasal cavity / rostral nasal septum

nasal amyloidosis

what is the clinical term referring to increased airflow resistance caused by various conditions

brachycephalic obstructive airway syndrome BOAS bitchessss

conditions that cause BOAS

1. tracheal hypoplasia

2. stenotic nares

3. long soft palate

4. everted laryngeal saccules/palatine tonsils

sequelae of BOAS

nasal and laryngeal edema, resp distress, heat and exercise intolerance