Dog skin fungus yeast
Cryptococcosis in Dogs
Cryptococcosis is a localized or systemic fungal infection caused by the environmental yeast, Cryptococcus. This fungus grows in bird droppings and decaying vegetation, and is generally associated with Eucalyptus trees. However, it is found worldwide and some areas of southern California, Canada and Australia have been found to be more prone to the fungus.
The fungus is contracted through the dog's nasal passages and then passes into the brain, eyes, lungs, and other tissues. It is usually rare in dogs.
The condition or disease described in this medical article can affect both dogs and cats. If you would like to learn more about how this disease affects cats, please visit this page in the PetMD health library.
Symptoms will vary and depend greatly on the organ systems affected by the fungus. However, animals may have a history of problems for weeks or months, be especially sluggish, and (in less than 50 percent of animals) have a mild fever. Other symptoms include:
- Nervous system signs — seizures, wobbly, uncoordinated or “drunken” movements weakness, blindness
- Skin ulceration
- Enlarged lymph nodes
- Vomiting and diarrhea
- Lack of appetite
- Nasal discharge
The Cryptococcus yeast is usually inhaled through the nasal passages. Occasionally, these organisms may reach the terminal airways, although it is unlikely.
It can also infect the stomach and the intestines, entering through the gastrointestinal tract.
Your veterinarian will be making a diagnosis based on findings from the following tests:
- Samples will be taken from the nasal passages, or a biopsy from the bumpy tissue that protrudes from the nasal passages; flushing the nose with saline may dislodge infected tissue
- Biopsy of skin lesions of the head
- Aspirates of affected lymph nodes
- Blood and urine cultures
- Blood tests to detect the presence of Cryptococcus antigens
- If your dog is showing symptoms of neurological disease, a spinal tap and examination of cells will need to be done
Something that is related to the whole body and not just one particular part or organ
A type of fungus that produces buds
Small structures that filter out the lymph and store lymphocytes
The process of removing tissue to examine it, usually for medical reasons.
Any substance or item that the body of an animal would regard as strange or unwanted; a foreign disease or virus in the body (toxin, etc.)
The digestive tract containing the stomach and intestine
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Besides (tropical) hookworm --2008-09-18 08:10:40 by falconwest
There's also roundworm, Strongyloides stercoralis. It lives in the soil and can enters a human host through the skin of bare feet. The parasite can live in the body for 30-40 years without obvious symptoms.
The dog hookworm, Ancyclostoma caninum, is a neamtode. It is present world wide and in Santa Barbara. In its larval stage, it can penetrate the skin of an unprotected foot, but won't necessarily enter the circulatory system. Instead, it remains in the dermis for weeks or months, leaving a track of inflamed, itching skin. The condition is called cutaneous larval migrans
Andrew L Farkas