Gastrointestinal Tract

Habitat of Histoplasmosis

Soil, environment, bird and bat droppings

Which dimorphic fungus affects the gastrointestinal tract?

Histoplasmosis

How is Histoplasmosis diagnosed?

urine antigen test

Habitat of Blastomycosis

soil and wood and animal feces-especially pigeon and chicken

Transmission of Blastomycosis

trauma and percutaneous

Public health concern of Blastomyces

through dog bites and necropsy

Habitat of coccidiodes

soil in arid/semi-arid regions

Pathogenesis of coccidiodes

arthrospores convert to endospores in spherules in the lung

Common affected species of Coccidiodes

dogs and horses

Public health concern for Coccidiodes

necropsy

What clinical signs do we associate with the GI tract?

-halitosis-dysphagia-vomiting-malabsorption (weight loss)-diarrhea-hematochezia-melena-abdominal pain

Causes of Oral lesions and dysphagia

-gingivitis and periodntitis-stomatitis, glossititis, gingivitis-tooth root abscess, vesicular disease, erosive, ulcerative necrotizing stomatitis, pharyngitis

Causes of vomiting

-dietary indiscretion-gastritis-colitis-parasites

Types of Diarrhea

-secretory (ETEC, Clostridium perfringens, giardia)-malabsorption (EHEC, salmonella, campylobacter, ancylostoma, trichuris)