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Disseminated protothecosis is most commonly seen in dogs. The algae enters the body through the mouth or nose and causes infection in the intestines. From there it can spread to the eye, brain, and kidneys. Symptoms can include diarrhea, weight loss, weakness, inflammation of the eye , retinal detachment, ataxia, and seizures. [11]
Dogs with unpigmented skin on the nose may develop this cancer from long-term sun exposure. [ 165 ] Perianal gland tumor (also called hepatoid tumor) is a type of tumor found near the anus in dogs that arises from specialized glandular tissue found in the perineum.
The retinal degeneration appears to be related to apoptosis of these cells. [11] SARDS must be distinguished from other causes of sudden blindness that have no visible pathology, including retrobulbar optic neuritis, a tumor at the optic chiasm, or other central nervous system diseases. Electroretinography is useful to definitively diagnose ...
Histoplasmosis is a fungal infection caused by Histoplasma capsulatum. [ 2 ] [ 3 ] Symptoms of this infection vary greatly, but the disease affects primarily the lungs . [ 4 ] Occasionally, other organs are affected; called disseminated histoplasmosis, it can be fatal if left untreated.
A dog with skin irritation and hair loss on its leg caused by demodectic mange. Infectious skin diseases of dogs include contagious and non-contagious infections or infestations. Contagious infections include parasitic, bacterial, fungal and viral skin diseases. One of the most common contagious parasitic skin diseases is Sarcoptic mange (scabies).
Retinal dysplasia is an eye disease affecting the retina of animals and, less commonly, humans. It is usually a nonprogressive disease and can be caused by viral infections, drugs, vitamin A deficiency, or genetic defects. Retinal dysplasia is characterized by folds or rosettes (round clumps) of the retinal tissue.
Progression of a Histocytoma on a French Bulldog Ear -2 months time A histiocytoma on the ear of a dog Canine Cutaneous Histiocytoma on a young boxer dog. A histiocytoma in the dog is a benign tumor. It is an abnormal growth in the skin of histiocytes (histiocytosis), a cell that is part of the immune system.
A vitreo-retinal specialist (an ophthalmologist specialized in treatment of retinal diseases) should be consulted for proper management of the case. [ citation needed ] Presumed ocular histoplasmosis syndrome and age-related macular degeneration (AMD) have been successfully treated with laser, anti-vascular endothelial growth factors and ...