723675006: Sialidosis type 1 (disorder)

• SNOMED CT Concept\Clinical finding (finding)\...
• \Finding of movement\Movement disorder\Myoclonic disorder\A lysosomal storage disease, belonging to the group of oligosaccharidosis or with a wide clinical spectrum that is divided into two main clinical subtypes: sialidosis type I, the milder, non dysmorphic form of the disease with characteristics of gait abnormalities, progressive visual loss, bilateral macular cherry red spots and myoclonus, that presents in adolescence or adulthood (second or third decade of life); and sialidosis type II (see this term) the more severe, early onset form, with characteristics of progressive and severe mucopolysaccharidosis-like phenotype with coarse facies, visceromegaly, dysostosis multiplex, and developmental delay. Bilateral macular cherry red spots are also present. Sialidosis type II has been further divided into congenital (with hydrops fetalis), infantile and juvenile presentations.\Sialidosis type 1 (ST-1) is a very rare lysosomal storage disease, and is the normosomatic form of sialidosis, characterized by gait abnormalities, progressive visual loss, bilateral macular cherry red spots and myoclonic epilepsy and ataxia, that usually presents in the second to third decade of life.
• \Disease\Genetic disease\Hereditary disease\Hereditary metabolic disease\Inborn error of metabolism\Disorder of glycoprotein metabolism\Oligosaccharidosis (disorder)\A lysosomal storage disease, belonging to the group of oligosaccharidosis or with a wide clinical spectrum that is divided into two main clinical subtypes: sialidosis type I, the milder, non dysmorphic form of the disease with characteristics of gait abnormalities, progressive visual loss, bilateral macular cherry red spots and myoclonus, that presents in adolescence or adulthood (second or third decade of life); and sialidosis type II (see this term) the more severe, early onset form, with characteristics of progressive and severe mucopolysaccharidosis-like phenotype with coarse facies, visceromegaly, dysostosis multiplex, and developmental delay. Bilateral macular cherry red spots are also present. Sialidosis type II has been further divided into congenital (with hydrops fetalis), infantile and juvenile presentations.\Sialidosis type 1 (ST-1) is a very rare lysosomal storage disease, and is the normosomatic form of sialidosis, characterized by gait abnormalities, progressive visual loss, bilateral macular cherry red spots and myoclonic epilepsy and ataxia, that usually presents in the second to third decade of life.
• \Disease\Genetic disease\Hereditary disease\Hereditary metabolic disease\Inborn error of metabolism\Inherited metabolic disorder of nervous system\A lysosomal storage disease, belonging to the group of oligosaccharidosis or with a wide clinical spectrum that is divided into two main clinical subtypes: sialidosis type I, the milder, non dysmorphic form of the disease with characteristics of gait abnormalities, progressive visual loss, bilateral macular cherry red spots and myoclonus, that presents in adolescence or adulthood (second or third decade of life); and sialidosis type II (see this term) the more severe, early onset form, with characteristics of progressive and severe mucopolysaccharidosis-like phenotype with coarse facies, visceromegaly, dysostosis multiplex, and developmental delay. Bilateral macular cherry red spots are also present. Sialidosis type II has been further divided into congenital (with hydrops fetalis), infantile and juvenile presentations.\Sialidosis type 1 (ST-1) is a very rare lysosomal storage disease, and is the normosomatic form of sialidosis, characterized by gait abnormalities, progressive visual loss, bilateral macular cherry red spots and myoclonic epilepsy and ataxia, that usually presents in the second to third decade of life.
• \Disease\Genetic disease\Hereditary disease\Hereditary metabolic disease\Inborn error of metabolism\Storage disease\Lysosomal storage disease (disorder)\Oligosaccharidosis (disorder)\A lysosomal storage disease, belonging to the group of oligosaccharidosis or with a wide clinical spectrum that is divided into two main clinical subtypes: sialidosis type I, the milder, non dysmorphic form of the disease with characteristics of gait abnormalities, progressive visual loss, bilateral macular cherry red spots and myoclonus, that presents in adolescence or adulthood (second or third decade of life); and sialidosis type II (see this term) the more severe, early onset form, with characteristics of progressive and severe mucopolysaccharidosis-like phenotype with coarse facies, visceromegaly, dysostosis multiplex, and developmental delay. Bilateral macular cherry red spots are also present. Sialidosis type II has been further divided into congenital (with hydrops fetalis), infantile and juvenile presentations.\Sialidosis type 1 (ST-1) is a very rare lysosomal storage disease, and is the normosomatic form of sialidosis, characterized by gait abnormalities, progressive visual loss, bilateral macular cherry red spots and myoclonic epilepsy and ataxia, that usually presents in the second to third decade of life.
• \Disease\Genetic disease\Hereditary disease\Hereditary metabolic disease\Inborn error of metabolism\Storage disease\Lysosomal storage disease (disorder)\Mucolipidosis\A lysosomal storage disease, belonging to the group of oligosaccharidosis or with a wide clinical spectrum that is divided into two main clinical subtypes: sialidosis type I, the milder, non dysmorphic form of the disease with characteristics of gait abnormalities, progressive visual loss, bilateral macular cherry red spots and myoclonus, that presents in adolescence or adulthood (second or third decade of life); and sialidosis type II (see this term) the more severe, early onset form, with characteristics of progressive and severe mucopolysaccharidosis-like phenotype with coarse facies, visceromegaly, dysostosis multiplex, and developmental delay. Bilateral macular cherry red spots are also present. Sialidosis type II has been further divided into congenital (with hydrops fetalis), infantile and juvenile presentations.\Sialidosis type 1 (ST-1) is a very rare lysosomal storage disease, and is the normosomatic form of sialidosis, characterized by gait abnormalities, progressive visual loss, bilateral macular cherry red spots and myoclonic epilepsy and ataxia, that usually presents in the second to third decade of life.
• \Disease\Genetic disease\Hereditary disease\Hereditary disorder by system\Hereditary disorder of nervous system\Inherited metabolic disorder of nervous system\A lysosomal storage disease, belonging to the group of oligosaccharidosis or with a wide clinical spectrum that is divided into two main clinical subtypes: sialidosis type I, the milder, non dysmorphic form of the disease with characteristics of gait abnormalities, progressive visual loss, bilateral macular cherry red spots and myoclonus, that presents in adolescence or adulthood (second or third decade of life); and sialidosis type II (see this term) the more severe, early onset form, with characteristics of progressive and severe mucopolysaccharidosis-like phenotype with coarse facies, visceromegaly, dysostosis multiplex, and developmental delay. Bilateral macular cherry red spots are also present. Sialidosis type II has been further divided into congenital (with hydrops fetalis), infantile and juvenile presentations.\Sialidosis type 1 (ST-1) is a very rare lysosomal storage disease, and is the normosomatic form of sialidosis, characterized by gait abnormalities, progressive visual loss, bilateral macular cherry red spots and myoclonic epilepsy and ataxia, that usually presents in the second to third decade of life.
• \Disease\Genetic disease\Hereditary disease\Autosomal hereditary disorder\Autosomal recessive hereditary disorder\A lysosomal storage disease, belonging to the group of oligosaccharidosis or with a wide clinical spectrum that is divided into two main clinical subtypes: sialidosis type I, the milder, non dysmorphic form of the disease with characteristics of gait abnormalities, progressive visual loss, bilateral macular cherry red spots and myoclonus, that presents in adolescence or adulthood (second or third decade of life); and sialidosis type II (see this term) the more severe, early onset form, with characteristics of progressive and severe mucopolysaccharidosis-like phenotype with coarse facies, visceromegaly, dysostosis multiplex, and developmental delay. Bilateral macular cherry red spots are also present. Sialidosis type II has been further divided into congenital (with hydrops fetalis), infantile and juvenile presentations.\Sialidosis type 1 (ST-1) is a very rare lysosomal storage disease, and is the normosomatic form of sialidosis, characterized by gait abnormalities, progressive visual loss, bilateral macular cherry red spots and myoclonic epilepsy and ataxia, that usually presents in the second to third decade of life.
• \Disease\Disorder of foetus and/or newborn\Congenital disease\Inborn error of metabolism\Disorder of glycoprotein metabolism\Oligosaccharidosis (disorder)\A lysosomal storage disease, belonging to the group of oligosaccharidosis or with a wide clinical spectrum that is divided into two main clinical subtypes: sialidosis type I, the milder, non dysmorphic form of the disease with characteristics of gait abnormalities, progressive visual loss, bilateral macular cherry red spots and myoclonus, that presents in adolescence or adulthood (second or third decade of life); and sialidosis type II (see this term) the more severe, early onset form, with characteristics of progressive and severe mucopolysaccharidosis-like phenotype with coarse facies, visceromegaly, dysostosis multiplex, and developmental delay. Bilateral macular cherry red spots are also present. Sialidosis type II has been further divided into congenital (with hydrops fetalis), infantile and juvenile presentations.\Sialidosis type 1 (ST-1) is a very rare lysosomal storage disease, and is the normosomatic form of sialidosis, characterized by gait abnormalities, progressive visual loss, bilateral macular cherry red spots and myoclonic epilepsy and ataxia, that usually presents in the second to third decade of life.
• \Disease\Disorder of foetus and/or newborn\Congenital disease\Inborn error of metabolism\Inherited metabolic disorder of nervous system\A lysosomal storage disease, belonging to the group of oligosaccharidosis or with a wide clinical spectrum that is divided into two main clinical subtypes: sialidosis type I, the milder, non dysmorphic form of the disease with characteristics of gait abnormalities, progressive visual loss, bilateral macular cherry red spots and myoclonus, that presents in adolescence or adulthood (second or third decade of life); and sialidosis type II (see this term) the more severe, early onset form, with characteristics of progressive and severe mucopolysaccharidosis-like phenotype with coarse facies, visceromegaly, dysostosis multiplex, and developmental delay. Bilateral macular cherry red spots are also present. Sialidosis type II has been further divided into congenital (with hydrops fetalis), infantile and juvenile presentations.\Sialidosis type 1 (ST-1) is a very rare lysosomal storage disease, and is the normosomatic form of sialidosis, characterized by gait abnormalities, progressive visual loss, bilateral macular cherry red spots and myoclonic epilepsy and ataxia, that usually presents in the second to third decade of life.
• \Disease\Disorder of foetus and/or newborn\Congenital disease\Inborn error of metabolism\Storage disease\Lysosomal storage disease (disorder)\Oligosaccharidosis (disorder)\A lysosomal storage disease, belonging to the group of oligosaccharidosis or with a wide clinical spectrum that is divided into two main clinical subtypes: sialidosis type I, the milder, non dysmorphic form of the disease with characteristics of gait abnormalities, progressive visual loss, bilateral macular cherry red spots and myoclonus, that presents in adolescence or adulthood (second or third decade of life); and sialidosis type II (see this term) the more severe, early onset form, with characteristics of progressive and severe mucopolysaccharidosis-like phenotype with coarse facies, visceromegaly, dysostosis multiplex, and developmental delay. Bilateral macular cherry red spots are also present. Sialidosis type II has been further divided into congenital (with hydrops fetalis), infantile and juvenile presentations.\Sialidosis type 1 (ST-1) is a very rare lysosomal storage disease, and is the normosomatic form of sialidosis, characterized by gait abnormalities, progressive visual loss, bilateral macular cherry red spots and myoclonic epilepsy and ataxia, that usually presents in the second to third decade of life.
• \Disease\Disorder of foetus and/or newborn\Congenital disease\Inborn error of metabolism\Storage disease\Lysosomal storage disease (disorder)\Mucolipidosis\A lysosomal storage disease, belonging to the group of oligosaccharidosis or with a wide clinical spectrum that is divided into two main clinical subtypes: sialidosis type I, the milder, non dysmorphic form of the disease with characteristics of gait abnormalities, progressive visual loss, bilateral macular cherry red spots and myoclonus, that presents in adolescence or adulthood (second or third decade of life); and sialidosis type II (see this term) the more severe, early onset form, with characteristics of progressive and severe mucopolysaccharidosis-like phenotype with coarse facies, visceromegaly, dysostosis multiplex, and developmental delay. Bilateral macular cherry red spots are also present. Sialidosis type II has been further divided into congenital (with hydrops fetalis), infantile and juvenile presentations.\Sialidosis type 1 (ST-1) is a very rare lysosomal storage disease, and is the normosomatic form of sialidosis, characterized by gait abnormalities, progressive visual loss, bilateral macular cherry red spots and myoclonic epilepsy and ataxia, that usually presents in the second to third decade of life.
• \Disease\Disorder of foetus and/or newborn\Congenital disease\Disorder of lysosomal enzyme\Oligosaccharidosis (disorder)\A lysosomal storage disease, belonging to the group of oligosaccharidosis or with a wide clinical spectrum that is divided into two main clinical subtypes: sialidosis type I, the milder, non dysmorphic form of the disease with characteristics of gait abnormalities, progressive visual loss, bilateral macular cherry red spots and myoclonus, that presents in adolescence or adulthood (second or third decade of life); and sialidosis type II (see this term) the more severe, early onset form, with characteristics of progressive and severe mucopolysaccharidosis-like phenotype with coarse facies, visceromegaly, dysostosis multiplex, and developmental delay. Bilateral macular cherry red spots are also present. Sialidosis type II has been further divided into congenital (with hydrops fetalis), infantile and juvenile presentations.\Sialidosis type 1 (ST-1) is a very rare lysosomal storage disease, and is the normosomatic form of sialidosis, characterized by gait abnormalities, progressive visual loss, bilateral macular cherry red spots and myoclonic epilepsy and ataxia, that usually presents in the second to third decade of life.
• \Disease\Disorder of foetus and/or newborn\Congenital disease\Disorder of lysosomal enzyme\Mucolipidosis\A lysosomal storage disease, belonging to the group of oligosaccharidosis or with a wide clinical spectrum that is divided into two main clinical subtypes: sialidosis type I, the milder, non dysmorphic form of the disease with characteristics of gait abnormalities, progressive visual loss, bilateral macular cherry red spots and myoclonus, that presents in adolescence or adulthood (second or third decade of life); and sialidosis type II (see this term) the more severe, early onset form, with characteristics of progressive and severe mucopolysaccharidosis-like phenotype with coarse facies, visceromegaly, dysostosis multiplex, and developmental delay. Bilateral macular cherry red spots are also present. Sialidosis type II has been further divided into congenital (with hydrops fetalis), infantile and juvenile presentations.\Sialidosis type 1 (ST-1) is a very rare lysosomal storage disease, and is the normosomatic form of sialidosis, characterized by gait abnormalities, progressive visual loss, bilateral macular cherry red spots and myoclonic epilepsy and ataxia, that usually presents in the second to third decade of life.
• \Disease\Disorder of body system\Hereditary disorder by system\Hereditary disorder of nervous system\Inherited metabolic disorder of nervous system\A lysosomal storage disease, belonging to the group of oligosaccharidosis or with a wide clinical spectrum that is divided into two main clinical subtypes: sialidosis type I, the milder, non dysmorphic form of the disease with characteristics of gait abnormalities, progressive visual loss, bilateral macular cherry red spots and myoclonus, that presents in adolescence or adulthood (second or third decade of life); and sialidosis type II (see this term) the more severe, early onset form, with characteristics of progressive and severe mucopolysaccharidosis-like phenotype with coarse facies, visceromegaly, dysostosis multiplex, and developmental delay. Bilateral macular cherry red spots are also present. Sialidosis type II has been further divided into congenital (with hydrops fetalis), infantile and juvenile presentations.\Sialidosis type 1 (ST-1) is a very rare lysosomal storage disease, and is the normosomatic form of sialidosis, characterized by gait abnormalities, progressive visual loss, bilateral macular cherry red spots and myoclonic epilepsy and ataxia, that usually presents in the second to third decade of life.
• \Disease\Disorder of body system\Disorder of nervous system (disorder)\Hereditary disorder of nervous system\Inherited metabolic disorder of nervous system\A lysosomal storage disease, belonging to the group of oligosaccharidosis or with a wide clinical spectrum that is divided into two main clinical subtypes: sialidosis type I, the milder, non dysmorphic form of the disease with characteristics of gait abnormalities, progressive visual loss, bilateral macular cherry red spots and myoclonus, that presents in adolescence or adulthood (second or third decade of life); and sialidosis type II (see this term) the more severe, early onset form, with characteristics of progressive and severe mucopolysaccharidosis-like phenotype with coarse facies, visceromegaly, dysostosis multiplex, and developmental delay. Bilateral macular cherry red spots are also present. Sialidosis type II has been further divided into congenital (with hydrops fetalis), infantile and juvenile presentations.\Sialidosis type 1 (ST-1) is a very rare lysosomal storage disease, and is the normosomatic form of sialidosis, characterized by gait abnormalities, progressive visual loss, bilateral macular cherry red spots and myoclonic epilepsy and ataxia, that usually presents in the second to third decade of life.
• \Disease\Disorder of body system\Disorder of nervous system (disorder)\Myoclonic disorder\A lysosomal storage disease, belonging to the group of oligosaccharidosis or with a wide clinical spectrum that is divided into two main clinical subtypes: sialidosis type I, the milder, non dysmorphic form of the disease with characteristics of gait abnormalities, progressive visual loss, bilateral macular cherry red spots and myoclonus, that presents in adolescence or adulthood (second or third decade of life); and sialidosis type II (see this term) the more severe, early onset form, with characteristics of progressive and severe mucopolysaccharidosis-like phenotype with coarse facies, visceromegaly, dysostosis multiplex, and developmental delay. Bilateral macular cherry red spots are also present. Sialidosis type II has been further divided into congenital (with hydrops fetalis), infantile and juvenile presentations.\Sialidosis type 1 (ST-1) is a very rare lysosomal storage disease, and is the normosomatic form of sialidosis, characterized by gait abnormalities, progressive visual loss, bilateral macular cherry red spots and myoclonic epilepsy and ataxia, that usually presents in the second to third decade of life.
• \Disease\Metabolic disease\Hereditary metabolic disease\Inborn error of metabolism\Disorder of glycoprotein metabolism\Oligosaccharidosis (disorder)\A lysosomal storage disease, belonging to the group of oligosaccharidosis or with a wide clinical spectrum that is divided into two main clinical subtypes: sialidosis type I, the milder, non dysmorphic form of the disease with characteristics of gait abnormalities, progressive visual loss, bilateral macular cherry red spots and myoclonus, that presents in adolescence or adulthood (second or third decade of life); and sialidosis type II (see this term) the more severe, early onset form, with characteristics of progressive and severe mucopolysaccharidosis-like phenotype with coarse facies, visceromegaly, dysostosis multiplex, and developmental delay. Bilateral macular cherry red spots are also present. Sialidosis type II has been further divided into congenital (with hydrops fetalis), infantile and juvenile presentations.\Sialidosis type 1 (ST-1) is a very rare lysosomal storage disease, and is the normosomatic form of sialidosis, characterized by gait abnormalities, progressive visual loss, bilateral macular cherry red spots and myoclonic epilepsy and ataxia, that usually presents in the second to third decade of life.
• \Disease\Metabolic disease\Hereditary metabolic disease\Inborn error of metabolism\Inherited metabolic disorder of nervous system\A lysosomal storage disease, belonging to the group of oligosaccharidosis or with a wide clinical spectrum that is divided into two main clinical subtypes: sialidosis type I, the milder, non dysmorphic form of the disease with characteristics of gait abnormalities, progressive visual loss, bilateral macular cherry red spots and myoclonus, that presents in adolescence or adulthood (second or third decade of life); and sialidosis type II (see this term) the more severe, early onset form, with characteristics of progressive and severe mucopolysaccharidosis-like phenotype with coarse facies, visceromegaly, dysostosis multiplex, and developmental delay. Bilateral macular cherry red spots are also present. Sialidosis type II has been further divided into congenital (with hydrops fetalis), infantile and juvenile presentations.\Sialidosis type 1 (ST-1) is a very rare lysosomal storage disease, and is the normosomatic form of sialidosis, characterized by gait abnormalities, progressive visual loss, bilateral macular cherry red spots and myoclonic epilepsy and ataxia, that usually presents in the second to third decade of life.
• \Disease\Metabolic disease\Hereditary metabolic disease\Inborn error of metabolism\Storage disease\Lysosomal storage disease (disorder)\Oligosaccharidosis (disorder)\A lysosomal storage disease, belonging to the group of oligosaccharidosis or with a wide clinical spectrum that is divided into two main clinical subtypes: sialidosis type I, the milder, non dysmorphic form of the disease with characteristics of gait abnormalities, progressive visual loss, bilateral macular cherry red spots and myoclonus, that presents in adolescence or adulthood (second or third decade of life); and sialidosis type II (see this term) the more severe, early onset form, with characteristics of progressive and severe mucopolysaccharidosis-like phenotype with coarse facies, visceromegaly, dysostosis multiplex, and developmental delay. Bilateral macular cherry red spots are also present. Sialidosis type II has been further divided into congenital (with hydrops fetalis), infantile and juvenile presentations.\Sialidosis type 1 (ST-1) is a very rare lysosomal storage disease, and is the normosomatic form of sialidosis, characterized by gait abnormalities, progressive visual loss, bilateral macular cherry red spots and myoclonic epilepsy and ataxia, that usually presents in the second to third decade of life.
• \Disease\Metabolic disease\Hereditary metabolic disease\Inborn error of metabolism\Storage disease\Lysosomal storage disease (disorder)\Mucolipidosis\A lysosomal storage disease, belonging to the group of oligosaccharidosis or with a wide clinical spectrum that is divided into two main clinical subtypes: sialidosis type I, the milder, non dysmorphic form of the disease with characteristics of gait abnormalities, progressive visual loss, bilateral macular cherry red spots and myoclonus, that presents in adolescence or adulthood (second or third decade of life); and sialidosis type II (see this term) the more severe, early onset form, with characteristics of progressive and severe mucopolysaccharidosis-like phenotype with coarse facies, visceromegaly, dysostosis multiplex, and developmental delay. Bilateral macular cherry red spots are also present. Sialidosis type II has been further divided into congenital (with hydrops fetalis), infantile and juvenile presentations.\Sialidosis type 1 (ST-1) is a very rare lysosomal storage disease, and is the normosomatic form of sialidosis, characterized by gait abnormalities, progressive visual loss, bilateral macular cherry red spots and myoclonic epilepsy and ataxia, that usually presents in the second to third decade of life.
• \Disease\Metabolic disease\Enzymopathy\Lysosomal storage disease (disorder)\Oligosaccharidosis (disorder)\A lysosomal storage disease, belonging to the group of oligosaccharidosis or with a wide clinical spectrum that is divided into two main clinical subtypes: sialidosis type I, the milder, non dysmorphic form of the disease with characteristics of gait abnormalities, progressive visual loss, bilateral macular cherry red spots and myoclonus, that presents in adolescence or adulthood (second or third decade of life); and sialidosis type II (see this term) the more severe, early onset form, with characteristics of progressive and severe mucopolysaccharidosis-like phenotype with coarse facies, visceromegaly, dysostosis multiplex, and developmental delay. Bilateral macular cherry red spots are also present. Sialidosis type II has been further divided into congenital (with hydrops fetalis), infantile and juvenile presentations.\Sialidosis type 1 (ST-1) is a very rare lysosomal storage disease, and is the normosomatic form of sialidosis, characterized by gait abnormalities, progressive visual loss, bilateral macular cherry red spots and myoclonic epilepsy and ataxia, that usually presents in the second to third decade of life.
• \Disease\Metabolic disease\Enzymopathy\Lysosomal storage disease (disorder)\Mucolipidosis\A lysosomal storage disease, belonging to the group of oligosaccharidosis or with a wide clinical spectrum that is divided into two main clinical subtypes: sialidosis type I, the milder, non dysmorphic form of the disease with characteristics of gait abnormalities, progressive visual loss, bilateral macular cherry red spots and myoclonus, that presents in adolescence or adulthood (second or third decade of life); and sialidosis type II (see this term) the more severe, early onset form, with characteristics of progressive and severe mucopolysaccharidosis-like phenotype with coarse facies, visceromegaly, dysostosis multiplex, and developmental delay. Bilateral macular cherry red spots are also present. Sialidosis type II has been further divided into congenital (with hydrops fetalis), infantile and juvenile presentations.\Sialidosis type 1 (ST-1) is a very rare lysosomal storage disease, and is the normosomatic form of sialidosis, characterized by gait abnormalities, progressive visual loss, bilateral macular cherry red spots and myoclonic epilepsy and ataxia, that usually presents in the second to third decade of life.
• \Disease\Metabolic disease\Enzymopathy\Disorder of lysosomal enzyme\Oligosaccharidosis (disorder)\A lysosomal storage disease, belonging to the group of oligosaccharidosis or with a wide clinical spectrum that is divided into two main clinical subtypes: sialidosis type I, the milder, non dysmorphic form of the disease with characteristics of gait abnormalities, progressive visual loss, bilateral macular cherry red spots and myoclonus, that presents in adolescence or adulthood (second or third decade of life); and sialidosis type II (see this term) the more severe, early onset form, with characteristics of progressive and severe mucopolysaccharidosis-like phenotype with coarse facies, visceromegaly, dysostosis multiplex, and developmental delay. Bilateral macular cherry red spots are also present. Sialidosis type II has been further divided into congenital (with hydrops fetalis), infantile and juvenile presentations.\Sialidosis type 1 (ST-1) is a very rare lysosomal storage disease, and is the normosomatic form of sialidosis, characterized by gait abnormalities, progressive visual loss, bilateral macular cherry red spots and myoclonic epilepsy and ataxia, that usually presents in the second to third decade of life.
• \Disease\Metabolic disease\Enzymopathy\Disorder of lysosomal enzyme\Mucolipidosis\A lysosomal storage disease, belonging to the group of oligosaccharidosis or with a wide clinical spectrum that is divided into two main clinical subtypes: sialidosis type I, the milder, non dysmorphic form of the disease with characteristics of gait abnormalities, progressive visual loss, bilateral macular cherry red spots and myoclonus, that presents in adolescence or adulthood (second or third decade of life); and sialidosis type II (see this term) the more severe, early onset form, with characteristics of progressive and severe mucopolysaccharidosis-like phenotype with coarse facies, visceromegaly, dysostosis multiplex, and developmental delay. Bilateral macular cherry red spots are also present. Sialidosis type II has been further divided into congenital (with hydrops fetalis), infantile and juvenile presentations.\Sialidosis type 1 (ST-1) is a very rare lysosomal storage disease, and is the normosomatic form of sialidosis, characterized by gait abnormalities, progressive visual loss, bilateral macular cherry red spots and myoclonic epilepsy and ataxia, that usually presents in the second to third decade of life.
• \Disease\Movement disorder\Myoclonic disorder\A lysosomal storage disease, belonging to the group of oligosaccharidosis or with a wide clinical spectrum that is divided into two main clinical subtypes: sialidosis type I, the milder, non dysmorphic form of the disease with characteristics of gait abnormalities, progressive visual loss, bilateral macular cherry red spots and myoclonus, that presents in adolescence or adulthood (second or third decade of life); and sialidosis type II (see this term) the more severe, early onset form, with characteristics of progressive and severe mucopolysaccharidosis-like phenotype with coarse facies, visceromegaly, dysostosis multiplex, and developmental delay. Bilateral macular cherry red spots are also present. Sialidosis type II has been further divided into congenital (with hydrops fetalis), infantile and juvenile presentations.\Sialidosis type 1 (ST-1) is a very rare lysosomal storage disease, and is the normosomatic form of sialidosis, characterized by gait abnormalities, progressive visual loss, bilateral macular cherry red spots and myoclonic epilepsy and ataxia, that usually presents in the second to third decade of life.

Status: current, Not sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jul 2017. Module: SNOMED CT core

Descriptions:

Id	Description	Lang	Type	Status	Case?	Module
3425521013	A very rare lysosomal storage disease which is the normosomatic form of sialidosis with characteristics of gait abnormalities, progressive visual loss, bilateral macular cherry red spots and myoclonic epilepsy and ataxia, that usually presents in the second to third decade of life. The prevalence is unknown but it is less frequent than sialidosis type 2. This disease is due to a mutation of the N-acetyl-alpha-neuraminidase-1 (NEU1) gene (6p21) encoding the lysosomal enzyme neuraminidase that initiates the degradation of sialoglycoconjugates in lysosomes. Mutations lead to a decrease in enzyme activity and consequently to an accumulation of sialyloligosaccharides in tissues. Disease severity is linked to level of residual neuraminidase activity in vivo and varies between patients. Inherited in an autosomal recessive manner.	en	Definition	Inactive	Entire term case sensitive (core metadata concept)	SNOMED CT core
5403142013	Sialidosis type 1 (ST-1) is a very rare lysosomal storage disease, and is the normosomatic form of sialidosis, characterized by gait abnormalities, progressive visual loss, bilateral macular cherry red spots and myoclonic epilepsy and ataxia, that usually presents in the second to third decade of life.	en	Definition	Active	Entire term case sensitive (core metadata concept)	SNOMED CT core
5403143015	Sialidosis type 1 (ST-1) is a very rare lysosomal storage disease, and is the normosomatic form of sialidosis, characterised by gait abnormalities, progressive visual loss, bilateral macular cherry red spots and myoclonic epilepsy and ataxia, that usually presents in the second to third decade of life.	en	Definition	Active	Entire term case sensitive (core metadata concept)	SNOMED CT core
3425516010	Sialidosis type 1 (disorder)	en	Fully specified name	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
3425517018	Sialidosis type 1	en	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
3425518011	Cherry red spot myoclonus syndrome	en	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
3425519015	Lipomucopolysaccharidosis	en	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
3425520014	Normomorphic sialidosis	en	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core

Expanded Value Set

Reference Sets

Component annotation with string value reference set (foundation metadata concept)

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