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Which are the symptoms of Sialidosis?

See the worst symptoms of affected by Sialidosis here

Sialidosis symptoms

Sialidosis is a rare genetic disorder that affects the metabolism of certain substances in the body due to a deficiency of the enzyme neuraminidase. This enzyme is responsible for breaking down complex sugars called sialic acids. Without sufficient neuraminidase activity, these sugars accumulate in various tissues and organs, leading to a wide range of symptoms.



Neurological symptoms: Sialidosis primarily affects the nervous system, and individuals with this condition often experience progressive neurological deterioration. They may develop ataxia, which is characterized by uncoordinated movements and difficulties with balance and coordination. Tremors and muscle stiffness are also common, along with hypotonia (low muscle tone) in infancy. Some individuals may exhibit seizures or intellectual disability as the disease progresses.



Visual impairments: Sialidosis can affect the eyes, leading to various visual impairments. Cherry-red spots may be observed in the macula, which is the central part of the retina. These spots are caused by the accumulation of sialic acid in the retinal cells. Additionally, individuals may experience night blindness and progressive loss of vision over time.



Facial features: Some individuals with sialidosis may exhibit distinct facial features. These can include a coarse facial appearance with a prominent forehead, a broad nose, and thickened lips. The facial features may become more pronounced with age.



Hepatosplenomegaly: Enlargement of the liver (hepatomegaly) and spleen (splenomegaly) is a common finding in individuals with sialidosis. This can cause abdominal discomfort and swelling in the abdomen.



Bone abnormalities: Sialidosis can affect bone development and lead to various skeletal abnormalities. These may include dysostosis multiplex, which is a term used to describe multiple skeletal abnormalities such as abnormal bone shape, short stature, and joint stiffness. Individuals may also experience osteoporosis, which is characterized by weak and brittle bones.



Other symptoms: Additional symptoms of sialidosis can include organomegaly (enlargement of other organs), cardiac abnormalities (such as valve defects or cardiomyopathy), respiratory difficulties, and renal problems. Some individuals may also develop corneal clouding, which can impair vision.



It is important to note that the severity and specific symptoms of sialidosis can vary widely among affected individuals. The age of onset and rate of disease progression can also differ, resulting in different clinical presentations. Therefore, a comprehensive evaluation by a healthcare professional is necessary to diagnose and manage this condition.


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2 answers
Translated from spanish Improve translation
Extreme tiredness
Spots of red cherries on the vision
Seizure severe

Posted Aug 10, 2017 by Trajano 5900

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