Types include pythiosis (caused by Pythium insidiosum) and lagenidiosis. Zygomycosis has been described in a cat, where fungal infection of the tracheobronchus led to respiratory disease requiring euthanasia. References


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Hurler syndrome, also known as mucopolysaccharidosis Type IH (MPS-IH), Hurlers disease, and formerly gargoylism, is a genetic disorder that results in the buildup of large sugar molecules called glycosaminoglycans (GAGs) in lysosomes. The inability to break down these molecules results in a wide variety of symptoms caused by damage to several different organ systems, including but not limited to the nervous system, skeletal system, eyes, and heart. The underlying mechanism is a deficiency of alpha-L iduronidase, an enzyme responsible for breaking down GAGs. : 544  Without this enzyme, a buildup of dermatan sulfate and heparan sulfate occurs in the body. Symptoms appear during childhood, and early death usually occurs. Other, less severe forms of MPS Type I include Hurler-Scheie Syndrome (MPS-IHS) and Scheie Syndrome (MPS-IS). Hurler syndrome is classified as a lysosomal storage disease. It is clinically related to Hunter syndrome (MPS II); however, Hunter syndrome is X-linked, while Hurler syndrome is autosomal recessive. Signs and symptoms
Children with Hurler syndrome may appear normal at birth and develop symptoms over the first years of life. Symptoms vary between patients.One of the first abnormalities that may be detected is coarsening of the facial features; these symptoms can begin at 3–6 months of age. The head can be large with prominent frontal bones. The skull can be elongated. The nose can have a flattened nasal bridge with continuous nasal discharge. The eye sockets may be widely spaced, and the eyes may protrude from the skull. The lips can be large, and affected children may hold their jaws open constantly.